Original:  The Pakistani government claimed that he was a commander in the Indian Navy who was involved in subversive activities inside Pakistan and was arrested on 3 March 2016 during a counter-intelligence operation in Balochistan.
Revised:  The Pakistani government stated that he was a commander in the Indian Navy who was involved in subversive activities inside Pakistan and was arrested on 3 March 2016 during a counter-intelligence operation in Balochistan.
Edit intent: clarity