In 1964, the Soviet Union offered the Osa-class missile boats to a visiting Indian delegation.

[2] In 1968, a Pakistani delegation to the Soviet Union was also offered the missile boats and transfer of associated infrastructure.

During the Indo-Pakistani War of 1971, the 25th Missile Boat Squadron, consisting of vessels from the Vidyut class, played a crucial role in the Indian attacks on Karachi in December 1971.

Chakravarty and Lieutenant Commander Inderjit Sharma received the Vir Chakra for their roles in Operation Trident.

Lieutenant Commander Vijai Jerath, was awarded the Vir Chakra for Operation Python.