{{{annotations}}} Rishiyur Nataraja Manickam (1 July 1919 – 11 September 2015) was an Indian Police Service officer in the Intelligence Bureau and the Research and Analysis Wing, and retired as Principal Director in R&AW's co-agency, Directorate General of Security.
[5] He was repatriated to Madras cadre on 15 December 1965[6] and subsequently became Inspector General of Police in the state.
[7] On subsequent central deputation, Manickam became Director of the Aviation Research Centre in the early 1969.
Much later, in 1993–94, he worked as Member, Tamil Nadu State Consumer Disputes Redressal Commission.
[12] Post-retirement, Manickam wrote his memoirs of 36 years of service, titled Security, Espionage and Counter Intelligence, published in 2000.