In this operations Karachi harbour was virtually blocked and entire Makran coast was under constant surveillance for action.

As a Rear Admiral, Sinha served as the Flag Officer Commanding Western Fleet from 2007 to 2008.

[1] In 2012, Vice Adm Sinha was appointed Flag Officer Commanding-in-Chief Western Naval Command.

The chain of seniority in Indian military is considered virtually sacrosanct, with supersession being exceptionally rare.

The incumbent Chief of the Naval Staff, Admiral D K Joshi, resigned after a series of accidents involving ships of the Indian Navy.