1997 ACHARYYA, Subhrangsu Kanta (b. 1940) D.Sc.,F.G.M.M.S.I.,F.M.G.M.I.,F.G.S.I., Emeritus Scientist (CSIR), Dept. of Geological Sciences, Jadavpur University, Kolkata – 700032; Res. 15, Dr. Sarat Banerjee Road, Kolkata – 700029; Tel: (033) 65354774(R), 09830419484(M); Email: ; Sp. Stratigraphy/Tectonics/Geodynamics.