P. Sabanayagam

Panchanada Sabanayagam (7 June 1922 – 22 June 2023) was an Indian Administrative Service officer who served as chief secretary of Tamil Nadu. As a civil servant he served under four chief ministers of Tamil Nadu including C. Rajagopalachari, K. Kamaraj, M. Bhaktavatsalam and M. Karunanidhi, and at the centre under prime minister Indira Gandhi. Provided by Wikipedia