New Delhi, April 2 -- The Indian Navy announced on Wednesday that its frontline frigate, INS Tarkash, had seized more than 2,500 kilograms of narcotics in the western Indian Ocean.

The operation was launched after the Indian Navy received intelligence on March 31 about suspicious vessel movements.

According to the Indian Navy, all suspicious vessels in the vicinity were systematically interrogated before INS Tarkash intercepted and boarded a suspect dhow.

The operation was conducted in coordination with the P-8I maritime surveillance aircraft and the Maritime Operations Centre in Mumbai.

INS Tarkash also deployed its integral helicopter to monitor the suspicious vessel's activities and identify other vessels possibly operating in the ...