Nadkarni completed training at TS Dufferin and joined the Royal Indian Navy in March 1949. He received his basic training at Royal Naval College, Dartmouth, on the training cruiser HMS Devonshire (39) and at other establishments of the Royal Navy. He specialized in navigation and direction. Commissioned on 1 September 1951, he was confirmed as a sub-lieutenant on 16 May 1953.[2]
Promoted to lieutenant-commander on 16 May 1961,[3] Nadkarni was the Navigating Officer of Cruiser INS Delhi during Liberation of Goa operations. Promoted to commander on 30 June 1967,[4] he served as the commanding officer of INS Talwar (F140) and INS Delhi (C74). He was promoted to captain on 30 June 1973.[5] His service ashore included Chief Instructor (Navy) at Defence Services Staff College, Wellington and Chief Instructor Navy at the National Defence College.[6]
Nadkarni married Vimal Divekar in 1956. The couple had two sons, one of whom is the retired Rear AdmiralRavindra Jayant Nadkarni.
Nadkarni died on 2 July 2018 at INHS Asvini, aged 86.[8]
^Rear Admiral Sushil Ramsay. "Modest to a Fault – Remembering Admiral Nadkarni". Quarterdeck 2019. 2019. Directorate of Ex-Servicemen Affairs, Indian Navy, Government of India: 12–13.