The author is a post-graduate in Economics from Annamalai University. While at Annamalai University, he was associated as an editor with a weekly magazine called Annamalai News. He joined as a Sub-Inspector of Police in CBI and underwent one-year training in the National Police Academy, then at Mount Abu in Rajasthan, now in Hyderabad. Served in various places in India and handled important and significant cases of CBI in Anti-Corruption, Economics Offences, Banking and Security Fraud cell, and Special Crimes, involving former Prime Minister of India, Chief Ministers, senior bureaucrats in Government of India and public sectors, and industrialists as well. He was selected as Chief Investigating officer in the Rajiv Gandhi assassination case and was associated in this case alone for more than ten years out of total service of 36 years in CBI. In recognition of his meritorious service, he was awarded Police Medal in 1988 and President Medal for distinguished service in 1994.