M Thangavelu, born on June 10, 1943, is a retired Indian Administrative Service officer from the 1984 Tamil Nadu cadre. He holds postgraduate and graduate degrees in English Literature. Throughout his career, he served in various capacities including District Collector, Joint Commissioner, Commissioner, Director, Joint Secretary, Special Officer, Joint Managing Director, General Manager, District Revenue Officer, Project Officer, Settlement Officer, and Assistant Commissioner. His most recent position was Special Secretary in the Municipal Administration department from June 1, 2002, to June 30, 2003.