He served as the Air Officer Commanding-in-Chief (AOC-in-C), Training Command.

He assumed the office on 1 January 2023 succeeding Air Marshal Manavendra Singh.

[2] Radhakrishnan Radhish is an alumnus of Sainik School, Kazhakootam and National Defence Academy.

Radhakrishnan Radhish was commissioned as the fighter pilot in the Indian Air Force.

[4] He served as a Fighter Strike Leader and Instrument Rating Instructor and Examiner.