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Ramu, Chennu ; Sunkara, Sri Lakshmi ; Ramu, Rowtu ; Sain, Kalachand (2021) An ANN-based identification of geological features using multi-attributes: a case study from Krishna-Godavari basin, India Arabian Journal of Geosciences, 14 (4). ISSN 1866-7511

Kumar, Naresh ; Hazarika, Devajit ; Sain, Kalachand (2021) Earthquakes: Basics of seismology and computational techniques In: Basics of Computational Geophysics. Elsevier B.V., pp. 47-80. ISBN 978-0-12-820513-6

Kumar, Priyadarshi Chinmoy ; Alves, Tiago M. ; Sain, Kalachand (2021) Forced folding in the Kora Volcanic Complex, New Zealand: A case study with relevance to the production of hydrocarbons and geothermal energy Geothermics, 89 . p. 101965. ISSN 0375-6505

Kumar, Priyadarshi Chinmoy ; Omosanya, Kamal’deen O. ; Eruteya, Ovie Emmanuel ; Sain, Kalachand (2021) Geomorphological characterization of basal flow markers during recurrent mass movement: A case study from the Taranaki Basin, offshore New Zealand Basin Research, 33 (4). pp. 2358-2382. ISSN 0950-091X

Ramu, Rowtu ; Sain, Kalachand (2021) Multi-attribute and Artificial Neural Network Analysis of Seismic Inferred Chimney-like Features in Marine Sediments: A Study from KG Basin, India Journal of the Geological Society of India, 97 (3). pp. 238-242. ISSN 0016-7622

Sain, Kalachand ; Kumar, Amit ; Mehta, Manish ; Verma, Akshaya ; Tiwari, Sameer K. ; Garg, Purushottam K. ; Kumar, Vinit ; Rai, Santosh K. ; Srivastava, Pradeep ; Sen, Koushik (2021) A Perspective on Rishiganga-Dhauliganga Flash Flood in the Nanda Devi Biosphere Reserve, Garhwal Himalaya, India Journal of the Geological Society of India, 97 (4). pp. 335-338. ISSN 0016-7622

Joshi, Anju K. ; Sain, Kalachand (2021) Subsurface porosity estimation: A case study from the Krishna Godavari offshore basin, eastern Indian margin Journal of Natural Gas Science and Engineering, 89 . p. 103866. ISSN 1875-5100

Kumar, Jitender ; Sain, Kalachand ; Arun, K. P. (2021) Time–frequency analysis for delineating gas hydrates and free gas in the Mahanadi offshore, India Exploration Geophysics . pp. 1-14. ISSN 0812-3985

Arun, K.P. ; Sain, Kalachand ; Kumar, Jitender (2020) Application of constrained AVO inversion: 2-D modelling of gas hydrates and free gas in Mahanadi basin, India Journal of Natural Gas Science and Engineering, 78 . p. 103287. ISSN 1875-5100

Rai, Neha ; Singha, Dip Kumar ; Shukla, Pradeep Kumar ; Sain, Kalachand (2020) Delineation of discontinuity using multi-channel seismic attributes: An implication for identifying fractures in gas hydrate sediments in offshore Mahanadi basin Results in Geophysical Sciences, 1-4 . p. 100007. ISSN 2666-8289

Mukherjee, Bappa ; Roy, P. N. S. ; Sain, Kalachand (2020) Delineation of hydrocarbon and non-hydrocarbon zones using fractal analysis of well-log data from Bhogpara oil field, NE India Carbonates and Evaporites, 35 (1). ISSN 0891-2556

Pandey, Om Prakash (2020) Dharwar Craton In: Geodynamic Evolution of the Indian Shield: Geophysical Aspects. Springer Nature Switzerland AG, pp. 41-88. ISBN 978-3-030-40597-7

Kumar, Priyadarshi Chinmoy ; Sain, Kalachand (2020) Interpretation of magma transport through saucer sills in shallow sedimentary strata using an automated machine learning approach Tectonophysics, 789 . p. 228541. ISSN 0040-1951

Lokho, Kapesa ; Perumal, RJayangonda ; Srivastava, Pradeep ; Gupta, Vikram ; Dobhal, D.P. ; Kumar, Sushil ; Sharma, Rajesh ; Sain, Kalachand (2020) Research Status at Wadia Institute of Himalayan Geology (WIHG), Dehradun during 2015 - 2019 Proceedings of the Indian National Science Academy - Part A: Physical Sciences, 86 . ISSN 0370-0046

Kumar, Priyadarshi Chinmoy ; Sain, Kalachand (2020) A machine learning tool for interpretation of Mass Transport Deposits from seismic data Scientific Reports, 10 (1). ISSN 2045-2322

Chen, Lin ; Merey, Sukru ; Pecher, Ingo ; Okajima, Junnosuke ; Komiya, Atsuki ; Diaz-Naveas, Juan ; Li, Shouding ; Maruyama, Shigenao ; Kalachand, Sain ; Kvamme, Bjørn ; Coffin, Richard (2020) A review analysis of gas hydrate tests: engineering progress and policy trend Environmental Geotechnics . pp. 1-17. ISSN 2051-803X

Mukherjee, Bappa ; Sain, Kalachand (2019) Bed boundary identification from well log data using Walsh transform technique: A case study from NGHP Expedition-02 in the Krishna–Godavari basin, India Journal of Earth System Science, 128 (8). ISSN 2347-4327

Ramu, Rowtu ; Sain, Kalachand (2019) Characterization of Gas Hydrates Reservoirs in Krishna-Godavari Basin, Eastern Indian Margin Journal of the Geological Society of India, 93 (5). pp. 539-545. ISSN 0016-7622

Kumar, Priyadarshi Chinmoy ; Sain, Kalachand ; Mandal, Animesh (2019) Delineation of a buried volcanic system in Kora prospect off New Zealand using artificial neural networks and its implications Journal of Applied Geophysics, 161 . pp. 56-75. ISSN 0926-9851

Pandey, Laxmi ; Sain, Kalachand ; Joshi, Anju K. (2019) Estimate of gas hydrate saturations in the Krishna-Godavari basin, eastern continental margin of India, results of expedition NGHP-02 Marine and Petroleum Geology, 108 . pp. 581-594. ISSN 0264-8172

Joshi, Anju K. ; Sain, Kalachand ; Pandey, Laxmi (2019) Gas hydrate saturation and reservoir characterization at sites NGHP-02-17 and NGHP-02-19, Krishna Godavari Basin, eastern margin of India Marine and Petroleum Geology, 108 . pp. 595-608. ISSN 0264-8172

Singha, Dip Kumar ; Shukla, Pradeep Kumar ; Chatterjee, Rima ; Sain, Kalachand (2019) Multi-channel 2D seismic constraints on pore pressure- and vertical stress-related gas hydrate in the deep offshore of the Mahanadi Basin, India Journal of Asian Earth Sciences, 180 . p. 103882. ISSN 1367-9120

Singh, Amrita ; Ojha, Maheswar ; Sain, Kalachand (2019) Predicting lithology using neural networks from downhole data of a gas hydrate reservoir in the Krishna–Godavari basin, eastern Indian offshore Geophysical Journal International, 220 (3). pp. 1813-1837. ISSN 0956-540X

Mukherjee, Bappa ; Sain, Kalachand (2019) Prediction of reservoir parameters in gas hydrate sediments using artificial intelligence (AI): A case study in Krishna–Godavari basin (NGHP Exp-02) Journal of Earth System Science, 128 (7). ISSN 2347-4327

Kumar, Jitender ; Sain, Kalachand ; Arun, K. P. (2019) Seismic attributes for characterizing gas hydrates: a study from the Mahanadi offshore, India Marine Geophysical Researches, 40 (1). pp. 73-86. ISSN 0025-3235

Kumar, Priyadarshi Chinmoy ; Omosanya, Kamaldeen Olakunle ; Sain, Kalachand (2019) Sill Cube: An automated approach for the interpretation of magmatic sill complexes on seismic reflection data Marine and Petroleum Geology, 100 . pp. 60-84. ISSN 0264-8172

Kumar, Priyadarshi Chinmoy ; Omosanya, Kamal'deen O. ; Alves, Tiago M. ; Sain, Kalachand (2019) A neural network approach for elucidating fluid leakage along hard-linked normal faults Marine and Petroleum Geology, 110 . pp. 518-538. ISSN 0264-8172

Kumar, Prakash ; Sain, Kalachand (2018) Controlled source seismology in India in the 21st century, Proceedings of the Indian National Science Academy - Part A: Physical Sciences, 85 (2). pp. 453-468. ISSN 0370-0046

Prasad, Pinnelli S. R. ; Kiran, Burla Sai ; Sain, Kalachand (2018) Effectiveness of Amino Acids for Carbon Storage and Utilization Applications Current Science, 114 (6). pp. 1163-1165. ISSN 0011-3891

Joshi, Anju ; Pandey, Laxmi ; K P, Arun ; Sain, Kalachand (2018) Gas hydrates characterization from seismic and well log data: Krishna-Godavari basin In: SPG-Jaipur 2017, November 17-19, 2017, Jaipur.

Ramu, Rowtu ; Sain, Kalachand (2018) Identification of Gas Chimney in the Krishna-Godavari basin, eastern Indian margin In: 12th Biennial International Conference & ExpositionAt: JAIPUR 2017, November 17-19, 2017, Jaipur.

Ghosal, Dibakar ; Ganguli, Shib Sankar ; Singh, Rishi N. ; Sain, Kalachand (2018) Simulating the gas hydrate behavior at equilibrium dissociation: A study from Mahanadi basin of eastern offshore, India Marine and Petroleum Geology, 98 . pp. 802-814. ISSN 0264-8172

Nara, D. ; Sain, K. (2018) Workflow for an initial model of seismic tomography In: 8th International Conference & Exhibition of EAGE, Apr 2018, Saint Petersburg, Russia.

Kumar, Jitender ; Sain, Kalachand (2017) Application of spectral decomposition for gas hydrate exploration: A study from Mahanadi offshore, India In: SEG Technical Program Expanded Abstracts 2017, September 28, 2017.

Sarkar, Dipankar ; Sain, Kalachand (2017) Deep seismic sounding experiments in the Koyna RTS region: An overview of the results Journal of the Geological Society of India, 90 (6). pp. 663-669. ISSN 0016-7622

Jyothi, Veligeti ; Sain, Kalachand ; Pandey, Vivekanand ; Bhaumik, Ajoy K. (2017) Seismic attenuation for characterization of gas hydrate reservoir in Krishna-Godavari basin, eastern Indian margin Journal of the Geological Society of India, 90 (3). pp. 261-266. ISSN 0016-7622

Nittala, Satyavani ; Sain, Kalachand ; Nara, Damodara (2017) Seismic vis-a-vis sonic attenuation in gas hydrate bearing sediments of Krishna-Godavari basin, Eastern Margin of India Geophysical Journal International, 209 (2). pp. 1195-1203. ISSN 0956-540X

Bhaumik, Ajoy K ; Kumar, Shiv ; Ray, Shilpi ; Vishwakarma, G K ; Gupta, Anil K ; Kumar, Pushpendra ; Sain, Kalachand (2017) Stable carbon and oxygen isotope study on benthic foraminifera: Implication for microhabitat preferences and interspecies correlation Journal of Earth System Science, 126 (5). ISSN 0253-4126

Jana, Soumya ; Ojha, Maheswar ; Sain, Kalachand ; Srivastava, Shalivahan (2017) An approach to estimate gas hydrate saturation from 3-D heterogeneous resistivity model: A study from Krishna-Godavari basin, Eastern Indian offshore Marine and Petroleum Geology, 79 . pp. 99-107. ISSN 0264-8172

Sinha, Satish K. ; Dewangan, Pawan ; Sain, Kalachand (2016) Acoustic reflections in the water column of Krishna-Godavari offshore basin, Bay of Bengal Journal of the Acoustical Society of America, 139 (5). pp. 2424-2431. ISSN 0001-4966

Murty, A. S. N. ; Sain, Kalachand ; Sridhar, V. ; Prasad, A. S. S. S. R. S. ; Raju, S. (2016) Delineation of Trap and Subtrappean Mesozoic Sediments in Saurashtra Peninsula, India Current Science, 110 (9). p. 1844. ISSN 0011-3891

Sinha, Satish Kumar ; Dewangan, Pawan ; Sain, Kalachand (2016) Estimation of Sea Surface Temperature (SST) Using Marine Seismic Data Pure and Applied Geophysics, 173 (4). pp. 1305-1316. ISSN 0033-4553

Singh, Deepak ; Kumar, Priyadarshi Chinmoy ; Sain, Kalachand (2016) Interpretation of gas chimney from seismic data using artificial neural network: A study from Maari 3D prospect in the Taranaki basin, New Zealand Journal of Natural Gas Science and Engineering, 36 . pp. 339-357. ISSN 1875-5100

Satyavani, N. ; Sain, Kalachand ; Gupta, Harsh K. (2016) Ocean bottom seismometer data modeling to infer gas hydrate saturation in Krishna-Godavari (KG) basin Journal of Natural Gas Science and Engineering, 33 . pp. 908-917. ISSN 1875-5100

Chatterjee, Rima ; Singha, Dip Kumar ; Ojha, Maheswar ; Sen, Mrinal K. ; Sain, Kalachand (2016) Porosity estimation from pre-stack seismic data in gas-hydrate bearing sediments, Krishna-Godavari basin, India Journal of Natural Gas Science and Engineering, 33 . pp. 562-572. ISSN 1875-5100

Qian, Jin ; Xiu-Juan, WANG ; Dong, Dong ; Shi-Guo, WU ; Sain, Kalachand ; Yue-Ming, YE (2016) Quantitative assessment of free gas beneath gas hydrate stability zone from prestack seismic data and rock physics: a case of hole NGHP01-10A, Krishna-Godavari basin, India Chinese Journal of Geophysics, 59 (7). pp. 330-340. ISSN 2326-0440

Kumar, Rajan ; Das, Baisakhi ; Chatterjee, Rima ; Sain, Kalachand (2016) A methodology of porosity estimation from inversion of post-stack seismic data Journal of Natural Gas Science and Engineering, 28 . pp. 356-364. ISSN 1875-5100

Munda, Kamal Kumar ; Krishnan, S. ; Kumar, Jitender ; Sain, K. (2015) Application of seismic attributes in enhancing thin beds : An Example from North Sea In: 11th Biennial International Conference & Exposition, December 3-5, 2015, Jaipur.

Satyavani, N. ; Alekhya, G. ; Sain, Kalachand (2015) Free gas/gas hydrate inference in Krishna–Godavari basin using seismic and well log data Journal of Natural Gas Science and Engineering, 25 . pp. 317-324. ISSN 1875-5100

Jana, Soumya ; Ojha, Maheswar ; Sain, Kalachand (2015) Gas hydrate saturation from heterogeneous model constructed from well log in Krishna–Godavari Basin, Eastern Indian Offshore Geophysical Journal International, 203 (1). pp. 246-256. ISSN 0956-540X

Satyavani, N. ; Sain, Kalachand (2015) Seismic Insights into Bottom Simulating Reflection (BSR) in the Krishna-Godavari Basin, Eastern Margin of India Marine Georesources & Geotechnology, 33 (3). pp. 191-201. ISSN 1064-119X

Chandrakala, K. ; Pandey, O.P. ; Prasad, A.S.S.S.R.S. ; Sain, K. (2015) Seismic imaging across the Eastern Ghats Belt-Cuddapah Basin collisional zone, southern Indian Shield and possible geodynamic implications Precambrian Research, 271 . pp. 56-64. ISSN 0301-9268

Shankar, Uma ; Sain, Kalachand ; Riedel, Michael (2014) Assessment of gas hydrate stability zone and geothermal modeling of BSR in the Andaman Sea Journal of Asian Earth Sciences, 79 . pp. 358-365. ISSN 1367-9120

Wang, Jiliang ; Sain, Kalachand ; Wang, Xiujuan ; Satyavani, Nittala ; Wu, Shiguo (2014) Characteristics of bottom-simulating reflectors for Hydrate-filled fractured sediments in Krishna–Godavari basin, eastern Indian margin Journal of Petroleum Science and Engineering, 122 . pp. 515-523. ISSN 0920-4105

Sain, Kalachand (2014) Energy Partitioning of Seismic Waves Encyclopedia of Solid Earth Geophysics . pp. 291-294. ISSN 1388-4360

Sain, K. ; Gupta, H. (2014) Gas-hydrates: A Major Energy Resource of India for the Next Generation Journal of Petroleum & Environmental Biotechnology, 18 (1). pp. 11-17. ISSN 2157-7463

Kumar, Pushpendra ; Collett, Timothy S. ; Boswell, Ray ; Cochran, James R. ; Lall, Malcolm ; Mazumdar, Aninda ; Ramana, Mangipudi Venkata ; Ramprasad, Tammisetti ; Riedel, Michael ; Sain, Kalachand ; Sathe, Arun Vasant ; Vishwanath, Krishna ; Yadav, U.S. (2014) Geologic implications of gas hydrates in the offshore of India: Krishna–Godavari Basin, Mahanadi Basin, Andaman Sea, Kerala–Konkan Basin Marine and Petroleum Geology, 58 . pp. 29-98. ISSN 0264-8172

Collett, Timothy S. ; Boswell, Ray ; Cochran, James R. ; Kumar, Pushpendra ; Lall, Malcolm ; Mazumdar, Aninda ; Ramana, Mangipudi Venkata ; Ramprasad, Tammisetti ; Riedel, Michael ; Sain, Kalachand ; Sathe, Arun Vasant ; Vishwanath, Krishna (2014) Geologic implications of gas hydrates in the offshore of India: Results of the National Gas Hydrate Program Expedition 01 Marine and Petroleum Geology, 58 . pp. 3-28. ISSN 0264-8172

Eswari, Ch. V.V. ; Raju, B. ; Chari, V. Dhanunjana ; Prasad, P.S.R. ; Sain, Kalachand (2014) Laboratory study of methane hydrate formation kinetics and structural stability in sediments Marine and Petroleum Geology, 58 . pp. 199-205. ISSN 0264-8172

Singha, Dip Kumar ; Chatterjee, Rima ; Sen, Mrinal K. ; Sain, Kalachand (2014) Pore pressure prediction in gas-hydrate bearing sediments of Krishna–Godavari basin, India Marine Geology, 357 . pp. 1-11. ISSN 0025-3227

Sain, Kalachand (2014) Seismic Velocity-Density Relationships Encyclopedia of Solid Earth Geophysics . Springer, pp. 1198-1199. ISBN 978-90-481-8702-7

Vijaya Rao, V. ; Damodara, N. ; Sain, Kalachand ; Sen, Mrinal K. ; Murty, A.S.N. ; Sarkar, D. (2014) Upper crust of the Archean Dharwar craton in southern India as revealed by seismic refraction tomography and its geotectonic implications Geophysical Journal International, 200 (1). pp. 652-663. ISSN 0956-540X

Ojha, Maheswar ; Sain, Kalachand (2014) Velocity-porosity and velocity-density relationship for shallow sediments in the Kerala-Konkan basin of western Indian margin Journal of the Geological Society of India, 84 (2). pp. 187-191. ISSN 0016-7622

Sain, K. ; Rai, M. ; Sen, Mrinal K. (2014) A review on shale gas prospect in Indian sedimentary basins Journal of Indian Geophysical Union, 18 (2). pp. 183-194. ISSN 0257-7968

Satyavani, Nittala ; Sen, Mrinal K. ; Ojha, Maheswar ; Sain, Kalachand (2013) Azimuthal anisotropy from OBS observations in Mahanadi offshore, India Interpretation, 1 (2). T187-T198. ISSN 2324-8858

Shankar, Uma ; Gupta, Deepak K. ; Bhowmick, Debjani ; Sain, Kalachand (2013) Gas hydrate and free gas saturations using rock physics modelling at site NGHP-01-05 and 07 in the Krishna–Godavari Basin, eastern Indian margin Journal of Petroleum Science and Engineering, 106 . pp. 62-70. ISSN 0920-4105

Wang, Xiujuan ; Sain, Kalachand ; Satyavani, Nittala ; Wang, Jiliang ; Ojha, Maheswar ; Wu, Shiguo (2013) Gas hydrates saturation using geostatistical inversion in a fractured reservoir in the Krishna–Godavari basin, offshore eastern India Marine and Petroleum Geology, 45 . pp. 224-235. ISSN 0264-8172

Singh, Praveen Kumar ; Sain, Kalachand (2012) 2-D velocity structure in Kerala-Konkan basin using traveltime inversion of seismic data Journal of the Geological Society of India, 79 (1). pp. 53-60. ISSN 0016-7622

Shankar, Uma ; Sain, Kalachand (2012) Amplitude variation with offset responses for gas hydrate/free gas models: A case study Current Science, 103 (4). pp. 413-418. ISSN 0011-3891

Ojha, Maheswar ; Sain, Kalachand (2012) Empirical trends of velocity- porosity and velocity-density in shallow sediment in Kerala-Konkan Basin on the west coast of India In: Proc. of the 7th International Conference & Exhibition on Petroleum Geophysics, February 16-18, 2012, Hyderabad, India.

Ghosh, Ranjana ; Ojha, Maheswar ; Sain, Kalachand (2012) Evaluating Resource Potential of Gas hydrate Using EMT Lambert Academic Publishing. ISBN 978-3-8484-4812-8

Sain, Kalachand (2012) Gas Hydrate: A Viable Future Major Energy Resource of India Earth System Processes and Disaster Management . pp. 205-211. ISSN 2194-9204

Sain, Kalachand ; Gupta, Harsh (2012) Gas hydrates in India: Potential and development Gondwana Research, 22 (2). pp. 645-657. ISSN 1342-937X

Sain, Kalachand ; Gupta, H. ; Mazumdar, Aninda ; Bhaumik, Ajoy ; Bhowmick, P.K. (2012) Geo-scientific investigations of Gas-hydrates in India Proceedings of the Indian National Science Academy - Part A: Physical Sciences, 78 . pp. 503-511. ISSN 0370-0046

Shankar, Uma ; Sain, Kalachand ; Riedel, Michael (2012) Geothermal modeling for the base of gas hydrate stability zone and saturation of gas hydrate in the Krishna-Godavari basin, eastern Indian margin Journal of the Geological Society of India, 79 (2). pp. 199-209. ISSN 0016-7622

Bhowmick, D. ; Gupta, D. K. ; Shankar, U. ; Sain, K. (2012) A Transformation from Acoustic and Density Properties to Reservoir Properties applied to Krishna Godavari Basin, India In: Proc. of 7th International Conference & Exhibition on Petroleum Geophysics, February 16-18, 2012, Hyderabad, India.

Shankar, U. ; Sain, K. ; Riedel, M. (2011) Assessment Of Heat Flow And Gas-hydrate In Krishna Godavari Basin , Constrained From 2 D / 3 D Seismic And Well Log Data In: Proc. of 7th International Conference on Gas Hydrates (ICGH 2011), July 17-21, 2011, Edinburgh, UK.

Sain, Kalachand ; Rajesh, V. ; Satyavani, N. ; Subbarao, K.V. ; Subrahmanyam, C. (2011) Gas-hydrate stability thickness map along the Indian continental margin Marine and Petroleum Geology, 28 (10). pp. 1779-1786. ISSN 0264-8172

Manglik, A. ; Verma, S.K. ; Sain, K. ; Harinarayana, T ; Rao, V. Vijaya (2011) Joint Inversion of Seismic and MT Data – An Example from Southern Granulite Terrain, India In: The Earth's Magnetic Interior. Part of the IAGA Special Sopron Book Series book series (IAGA, volume 1), 1 . Springer Nature Switzerland AG, pp. 83-90. ISBN 978-94-007-0323-0

Matsumoto, Ryo ; Ryu, Byong-Jae ; Lee, Sung-Rock ; Lin, Saulwood ; Wu, Shiguo ; Sain, Kalachand ; Pecher, Ingo ; Riedel, Michael (2011) Occurrence and exploration of gas hydrate in the marginal seas and continental margin of the Asia and Oceania region Marine and Petroleum Geology, 28 (10). pp. 1751-1767. ISSN 0264-8172

Sain, K. (2011) Seismic Detection And Quantification Of Gas Hydrates - Application To Indian Continental Margin In: Proc. of the 7th International Conference on Gas Hydrates (ICGH 2011), July 17-21, 2011, Edinburgh, UK.

Sain, Kalachand ; Singh, Anoop Kumar (2011) Seismic quality factors across a bottom simulating reflector in the Makran Accretionary Prism, Arabian Sea Marine and Petroleum Geology, 28 (10). pp. 1838-1843. ISSN 0264-8172

Ojha, Maheswar ; Sain, Kalachand ; Minshull, Timothy A. (2010) Assessment of gas-hydrate saturations in the Makran accretionary prism using the offset dependence of seismic amplitudes Geophysics, 75 (2). C1-C6. ISSN 0016-8033

Ghosh, Ranjana ; Sain, Kalachand ; Ojha, Maheswar (2010) Effective medium modeling of gas hydrate-filled fractures using the sonic log in the Krishna-Godavari basin, offshore eastern India Journal of Geophysical Research, 115 (B6). ISSN 0148-0227

Ghosh, Ranjana ; Sain, Kalachand ; Ojha, Maheswar (2010) Estimating the amount of gas-hydrate using effective medium theory: a case study in the Blake Ridge Marine Geophysical Researches, 31 (1-2). pp. 29-37. ISSN 0025-3235

SAIN, KALACHAND ; OJHA, MAHESWAR (2010) Estimation Of Gas Hydrates And Free Gas Concentrations Using Seismic Amplitudes Across The Bottom Simulating Reflector Advances in Geosciences, 18 . pp. 181-196. ISSN 1680-7340

Sain, Kalachand ; Ghosh, Ranjana ; Ojha, Maheswar (2010) Rock physics modeling for assessing gas hydrate and free gas: a case study in the Cascadia accretionary prism Marine Geophysical Researches, 31 (1-2). pp. 109-119. ISSN 0025--235

Dubey, Abhishek ; Das, Arka ; Sain, Kalachand (2010) Stochastic inversion of Post-stack seismic data using fractal-based initial model In: SPG-Jaipur, November 17-19, 2017, Jaipur.

Shankar, Uma ; Sain, Kalachand (2009) Heat flow variation from bottom simulating reflector in the Kerala-Konkan basin of the western continental margin of India Indian Journal of Marine Sciences, 38 (1). pp. 110-115. ISSN 0379-5136

Ojha, Maheswar ; Sain, Kalachand (2009) Seismic attributes for identifying gas-hydrates and free-gas zones: application to the Makran accretionary prism Episodes, 32 (4). pp. 264-270. ISSN 0705-3797

Sain, Kalachand ; Singh, A. K. ; Thakur, N. K. ; Khanna, Ramesh (2009) Seismic quality factor observations for gas-hydrate-bearing sediments on the western margin of India Marine Geophysical Researches, 30 (3). pp. 137-145. ISSN 0025-3235

Shankar, Uma ; Singh, Shashank Shekhar ; Sain, Kalachand (2009) Signal enhancement and multiple suppression using Radon transform: an application to marine multichannel seismic data Marine Geophysical Researches, 30 (2). pp. 85-93. ISSN 0025-3235

Srishar, A.R. ; Prasad, Atreyapurapu ; Vani, Satya ; Sain, Kalachand (2009) Subtrappean Mesozoic sediments in the Narmada basin based on travel time and amplitude modelling - a revisit to old seismic data. Current Science, 97 . pp. 1462-1466. ISSN 0011-3891

Ojha, Maheswar ; Sain, Kalachand (2008) Appraisal of gas-hydrate/free-gas from VP/VS ratio in the Makran accretionary prism Marine and Petroleum Geology, 25 (7). pp. 637-644. ISSN 0264-8172

Murty, A.S.N. ; Sain, Kalachand ; Tewari, H.C. ; Rajendra Prasad, B. (2008) Crustal velocity inhomogeneities along the Hirapur–Mandla profile, central India and its tectonic implications Journal of Asian Earth Sciences, 31 (4-6). pp. 533-545. ISSN 1367-9120

Ghosh, Ranjana ; Sain, Kalachand (2008) Effective medium modeling to assess gas hydrate and free-gas evident from the velocity structure in the Makran accretionary prism, offshore Pakistan Marine Geophysical Researches, 29 (4). pp. 267-274. ISSN 0025-3235

Sain, Kalachand ; Gupta, Harsh (2008) Gas-hydrates: Indian Scenario Journal of the Geological Society of India, 72 (3). pp. 299-311. ISSN 0016-7622

Sain, Kalachand ; Ojha, Maheswar (2008) Identification and quantification of gas-hydrates: a viable source of energy in the 21st century Memoir, Geological Society of India, 68 . pp. 273-288.

Pinnelli, Seetharama Prasad ; Prasad, K. ; Sowjanya, Y. ; Sain, Kalachand (2008) Laser micro Raman investigations on gas hydrates Current Science, 94 . ISSN 0011-3891

Shankar, Uma ; Ojha, Maheswar ; Sain, Kalachand ; Khanna, Ramesh ; Sudhakar, Manju ; Tyagi, Abhishek (2008) Seafloor Geophysical Study in Search of Gas Hydrates/Gas Related Evidences in the Deep Waters of the Western Continental Margin of India Journal of the Geological Society of India, 72 (4). pp. 547-555. ISSN 0016-7622

Satyavani, N. ; Sain, Kalachand ; Lall, Malcolm ; Kumar, B. J. P. (2008) Seismic attribute study for gas hydrates in the Andaman Offshore India Marine Geophysical Researches, 29 (3). pp. 167-175. ISSN 0025-3235

Murty, A. S. N. ; Sain, Kalachand ; Rajendra Prasad, B. (2008) Velocity Structure of the West-Bengal Sedimentary Basin, India along the Palashi-Kandi Profile Using a Travel-time Inversion of Wide-angle Seismic data and Gravity Modeling – An Update Pure and Applied Geophysics, 165 (9-10). pp. 1733-1750. ISSN 0033-4553

Vijaya Rao, V. ; Sain, Kalachand ; Krishna, V. G. (2007) Modelling and inversion of single-ended refraction data from the shot gathers of multifold deep seismic reflection profiling-an approach for deriving the shallow velocity structure Geophysical Journal International, 169 (2). pp. 507-514. ISSN 0956-540X

Ojha, Maheswar ; Sain, Kalachand (2007) Seismic velocities and quantification of gas-hydrates from AVA modeling in the western continental margin of India Marine Geophysical Researches, 28 (2). pp. 101-107. ISSN 0025-3235

Sarkar, D. ; Sain, K. ; Reddy, P.R. ; Catchings, R.D. ; Mooney, W.D. (2007) Seismic-reflection images of the crust beneath the 2001 M = 7.7 Kutch (Bhuj) epicentral region, western India In: Continental Intraplate Earthquakes: Science, Hazard, and Policy Issues. GeoScienceWorld. ISBN 9780813724256

Shankar, Uma ; Sain, Kalachand (2007) Specific character of the bottom simulating reflectors near mud diapirs: Western margin of India Current Science, 93 (7). ISSN 0011-3891

Bhukta, Subrata K. ; Sain, K. ; Tewari, H. C. (2006) Crustal Structure Along the Lawrencepur-Astor Profile in the Northwest Himalayas Pure and Applied Geophysics (PAGEOPH), 163 (7). pp. 1257-1277. ISSN 0033-4553

Rao, V. Vijaya ; Sain, Kalachand ; Reddy, P.R. ; Mooney, Walter D. (2006) Crustal structure and tectonics of the northern part of the Southern Granulite Terrane, India Earth and Planetary Science Letters, 251 (1-2). pp. 90-103. ISSN 0012-821X

Behera, Laxmidhar ; Sain, Kalachand (2006) Crustal velocity structure of the Indian shield from deep seismic sounding and receiver function studies Journal of the Geological Society of India, 68 (6). pp. 989-992. ISSN 0016-7622

Behera, Laxmidhar ; Sain, Kalachand ; Reddy, P. R. (2004) Evidence of underplating from seismic and gravity studies in the Mahanadi delta of eastern India and its tectonic significance Journal of Geophysical Research, 109 (B12). ISSN 0148-0227

Dash, Ranjan ; Sain, Kalachand ; Thakur, N. (2004) Overpressure detection from seismic amplitude versus offset response: An application to gas-hydrates Current Science, 86 (12). p. 985. ISSN 0011-3891

Zelt, Colin A. ; Sain, Kalachand ; Naumenko, Julia V. ; Sawyer, Dale S. (2003) Assessment of crustal velocity models using seismic refraction and reflection tomography Geophysical Journal International, 153 (3). pp. 609-626. ISSN 0956-540X

Satyavani, N. ; Thakur, N. ; Shankar, Uma ; Reddi, S.I. ; Sridhar, A.R. ; Rao, P. ; Sain, Kalachand ; Khanna, R. (2003) Indicators of gas hydrates: Role of velocity and amplitude Current Science, 85 (9). pp. 1360-1363. ISSN 0011-3891

Kumar, Prakash ; Sain, Kalachand ; Tewari, H. C. (2003) A direct method of estimating depth to a reflector from seismic wide-angle reflection times Geophysical Journal International, 152 (3). pp. 740-748. ISSN 0956-540X

Behera, L. ; Sain, K. ; Reddy, P.R. ; Rao, I.B.P. ; Sarma, V.Y.N. (2002) Delineation of shallow structure and the Gondwana graben in the Mahanadi delta, India, using forward modeling of first arrival seismic data Journal of Geodynamics, 34 (1). pp. 127-139. ISSN 0264-3707

Sain, Kalachand ; Zelt, Colin A. ; Reddy, P. R. (2002) Imaging of subvolcanic Mesozoics in the Saurashtra peninsula of India using traveltime inversion of wide-angle seismic data Geophysical Journal International, 150 (3). pp. 820-826. ISSN 0956-540X

Sarkar, D. ; Chandrakala, K. ; Padmavathi Devi, P. ; Sridhar, A.R. ; Sain, K. ; Reddy, P.R. (2001) Crustal velocity structure of western Dharwar Craton, South India Journal of Geodynamics, 31 (2). pp. 227-241. ISSN 0264-3707

Sain, K ; Minshull, T.A ; Singh, S.C ; Hobbs, R.W (2000) Evidence for a thick free gas layer beneath the bottom simulating reflector in the Makran accretionary prism Marine Geology, 164 (1-2). pp. 3-12. ISSN 0025-3227

Sain, K. ; Bruguier, N. ; Murty, A. S. N. ; Reddy, P. R. (2000) Shallow velocity structure along the Hirapur-Mandla profile using traveltime inversion of wide-angle seismic data, and its tectonic implications Geophysical Journal International, 142 (2). pp. 505-515. ISSN 0956-540X

Sain, Kalachand ; Reddy, P. R. (1997) Use of postcritical reflections in solving the hidden‐layer problem of seismic refraction work Geophysics, 62 (4). pp. 1285-1291. ISSN 0016-8033

Sain, Kalachand ; Kaila, K. L. (1996) Ambiguity in the solution to the velocity inversion problem and a solution by joint inversion of seismic refraction and wide-angle reflection times Geophysical Journal International, 124 (1). pp. 215-227. ISSN 0956-540X

Sain, Kalachand ; Kaila, K. L. (1996) Direct Calculation of Interval Velocities and Layer Thicknesses From Seismic Wide-Angle Reflection Times Geophysical Journal International, 125 (1). pp. 30-38. ISSN 0956-540X

Sain, Kalachand ; Reddy, P.R. (1995) Direct calculation of thicknesses for high-velocity and underlying low-velocity layers using post-critical reflection times in a seismic refraction experiment Journal of Applied Geophysics, 34 (2). pp. 125-136. ISSN 0926-9851

Sain, Kalachand ; Kaila, K. L. (1994) Inversion of wide‐angle seismic reflection times with damped least squares Geophysics, 59 (11). pp. 1735-1744. ISSN 0016-8033