NEW DELHI (PTI): Prime Minister Narendra Modi on Wednesday greeted Navy personnel on Navy Day, saying their service and sacrifice has made India safer.

"On Navy Day, we salute our courageous Navy personnel. Their valuable service and sacrifice have made our nation stronger and safer," Modi tweeted.

He also posted a short video on Indian Naval history.

Navy day was celebrated by the Southern Naval Command here on Wednesday.

Vice Admiral AK Chawla, Flag Officer Commanding-in-Chief Southern Naval Command, laid a wreath at the War Memorial in the Naval Base to pay homage to officers and men who made the supreme sacrifice while defending the Nation.

Warships of SNC were also dressed with multiple "signal flags" to mark the occasion, a Defence statement said.

Navy Day is celebrated every year to commemorate the Indian Navy's attack on Karachi harbour on this very day during the 1971 Indo-Pak War, which contributed to the ultimate victory of the Indian Armed Forces over Pakistan.