(Hons) from St. Joseph's College, Tiruchirapalli, he joined TIFR in 1954 as research student, and completed his Ph.D. in 1960 under the supervision of Professors K. Chandrasekharan and K.G.
His other notable findings include the determination of the structure of singular Siegel modular forms, application of Hecke's Grenzprozess to analytic continuation of non-holomorphic Eisenstein series of degree 3 as forerunner of Weissauer's deep generalisation, Ramanathan-Raghavan's analogue over algebraic number fields of Oppenheim's result on density of values of irrational indefinite quadratic (zero) forms, and Dani-Raghavan's result on density of irrational euclidean frames under familiar discrete groups following Kronecker, Rangachari-Raghavan's investigation of Ramanujan's integral identities.
He contributed research papers to many international journals of renown and received many honours.
[2] He also served as member of the INSA Council and as chairman of the editorial board of the Proceedings (Math.Sci.)
[3] He retired as Senior Professor from the Tata Institute of Fundamental Research (TIFR), Mumbai in 1994, died in Chennai on 7 October 2014, peacefully, due to cancer.