1991 SEN, Sisir Kumar (b. 1929) MS(Chicago),PhD(Chicago),FNA, Former INSA Senior Scientist, Department of Geological Sci., Jadavpur University, Kolkata; Res. H-4 Indraprastha Apartments, Plot No.114 I.P. Extension, Patparganj, New Delhi – 110092; Tel: (011) 42233512(R), 09971661943(M); Email: ; ; Sp. Metamorphic Petrology/Geochemistry.