Mr. Mandapalli Raju
Additional Director General
Born on 18th August 1957, Shri M. Raju, completed his M. Sc. from Andhra University in 1979. He joined GSI in Northern Region in December 1980 at Lucknow, where he worked on Bijawar Phosphorite Deposits in Lalitpur District of Uttar Pradesh.... more...
Shri. Bishan Dass Thappa
Additional Director General
Shri B. D. Thappa joined Geological Survey of India, Western Region, Jaipur, Rajasthan in 1981. He carried out systematic geological mapping in parts of Nagaur, Jodhpur, Bikaner and Jaisalmer districts of Rajasthan... more...
Mr Tribhuwan Singh Pangtey
Additional Director General
T S Pangtey Joined GSI as Geologist (Jr) in Northern Region, Lucknow in December 1980. He carried out geological investigation including systematic geological mapping in Garhwal Himalayas on expedition basis, geological & geotechnical investigation of Tehri, Koteshwar & Lakhwar Dam projects more...