S started his career in Nagpur as the Assistant Commissioner of Income Tax and later as Deputy Director – Investigation at
Tirunelveli. For 5 years, he served as the Additional Director of Income Tax in Madurai with additional charge of Coimbatore and Chennai. 

He was posted to Chennai as Additional Commissioner of Income Tax – at the Headquarters, looking after Administration, Vigilance, the Tax Deducted At Source (TDS) wing and finally International Taxation. By the end of 2012, he
was promoted as the Commissioner of Income Tax and posted at Thiruvananthapuram, where he functioned for three financial years. In June, 2015 he took up the position of the Competent Authority & Administrator of the Smugglers & Foreign Exchange Manipulators Act (SAFEMA) and the Narcotics & Psychotropic Substances (NDPS) Act.