Mr. Ankur Bikash Chatterjee graduated from Indian School of Mines, Dhanbad, India with Applied Geophysics and joined GAIL during 2005 and is presently working as Chief Manager Geophysicist. Mr. Chatterjee has > 17 years’ experience of E&P (in conventional & unconventional domain) and is playing significant role in Seismic Data Acquisition, Processing & Interpretation which involves analysis of geoscientific data, reserve estimation, release of well locations and strategic evaluation of blocks offered under bidding rounds in India and Overseas. Mr. Chatterjee had the experience of 3.5 years of US shale gas assets and was the key person for geoscientific assessment of Eagle Ford and Niobrara Shale gas operations. Mr. Chatterjee also represents GAIL in several National & International conference.