The MATCH flight for the first Leander class frigate, NILGIRI, was commissioned as INAS 331 on 15 May 1972.

In the light of experienced gained in the 1971 war of how useful the light Alouette helicopter could be, Alouette flights were sanctioned for a number of ships. Apart from the first four Leanders and the frigates TRISHUL and TALWAR, which embarked the MATCH Alouettes, SAR Alouettes were sanctioned for the frigates BRAHMAPUTRA, BEAS, BETWA, the new training ship TIR and the new survey ships.