Nikhila Bhat (24) was married to Lieutenant Commander Sudhakar Bhat, police said.
She was suffering from depression and was undergoing treatment, said inspector Sayed Mohd Illiyas of One-Town police station.
While Sudhakar is a native of Belgaum in Karnataka, Nikhila hailed from Maharashtra.
According to police, Nikhila always remained anxious about her husband's safety as he worked on a sub-marine, especially after the recent mishaps involving the navy vessels in Mumbai and other parts of the country.
No suicide note was found.