Raghunathan is Distinguished Guest Professor and Head, National Centre for Mathematics at IIT-Bombay, Mumbai, India. He obtained his PhD in mathematics from the University of Mumbai in 1966 and was appointed associate professor at the Tata Institute of Fundamental Research the same year. His awards include: the Shanti Swarup Bhatnagar Award in Mathematics; Council of Scientific and Industrial Research, India, 1977; TWAS Prize for Mathematics, 1991; and the 1991 Srinivas Ramanujan Medal, Indian National Science Academy (INSA) He is a fellow of INSA, Delhi, the Indian Academy of Sciences, Bangalore, and the Royal Society, UK. He has been awarded (2012) the Padma Bhushan award for Science and Engineering, a high civilian award by the Government of India.
TWAS Award in Mathematics, 1991.