Life Member of Mining Geological and Metallurgical Institute of India, Indian Geological Congress and Indian Society of Earth Sciences. 50 Yrs Professional and Academic Experience in oil and base-noble metal exploration and mining at various capacities at ESSO, Hindustan Copper Ltd, Hindustan Zinc Ltd, Anglo American (P) Ltd, Gold Stream Mining NL/ IMX Resource Ltd, Australia and BIL Infratech Ltd, Guest Faculty Sukhadia University Udaipur. His profession has often required visits and interaction with experts of zinc, lead, gold, tin, chromium, nickel and platinum mines and exploration camps of Australia-Tasmania, Canada, USA, Germany, Portugal, UK, France, Italy, The Netherlands, Switzerland, Saudi Arabia, Egypt, Bangladesh and Nepal. Since 2003, Emeritus Scientist, Post Graduate Applied Geology teaching of Mineral Exploration at Presidency and Calcutta University, Kolkata, and industry related teaching at Indian school of Mines, Dhanbad. Authored 3 books and 40 publications.