Manoharan is Distinguished Fellow INSA in the Department of Chemistry of IIT, Madras. He obtained his PhD from Columbia Univ. and was a research assoc. at Michigan State Univ. He was in the Faculty of Chemistry both in IIT/Kanpur and IIT/Madras. He founded the premier Regional Sophisticated Instrumentation Centre to serve Indian scientists. He was Vice Chancellor at the Univ. of Madras (1997-99); Institute emeritus professor, CSIR, emeritus scientist, and DST Ramanna Fellow all at IIT, Madras, and honorary professor at JNCASR, Bangalore and INSA Senior Scientist. He was also Raman Chair Professor at IGNOU New Delhi (2009-2012).He is a Fellow of the Indian National Science Academy and the Indian Academy of Sciences and served as the Scientific Secretary of INSA. He has received several awards and medals including the FICCI award, Palit Award, Rangadhama Award of the INSA, Sadhan Basu Memorial Award, and the CRSI Gold medal, a life-time achievement award by the Intl. EPR Society.