1986 PASSI, Inder Bir Singh (b. 1939) PhD(Exon.),FNA,FASc, Hon.Professor, IISER Mohali & Emeritus Professor, Mathematics Department, Panjab University, Chandigarh; Res. 381, Sector 38A, Chandigarh – 160014; Tel: (0172) 4668381(R), 09872448638(M); Email: ; Sp. Algebra.