Ahmedabad: In one of the largest single haul of narcotics till date, the Indian Coast Guard (ICG) has seized 1,500kg of heroin—valued at around Rs3,500 crore—from a merchant vessel off the Gujarat coast, a defence spokesperson said on Sunday.

The ICG, Intelligence Bureau, police, customs, Navy and other agencies are further probing into the seizure.

“The Indian Coast Guard ship ‘Samudra Pavak’ intercepted and apprehended a merchant vessel carrying approximately 1,500kg of heroin valued at about Rs3,500 crore off the coast of Gujarat," a statement by defence PRO Abhishek Matiman said.

“Based on intelligence inputs, the vessel was intercepted at around 1200 hours yesterday. This is the largest single haul of narcotics seized till date," the statement said.

He said more details about the seizure are awaited as the ship is in high seas. An official of the Porbandar Special Operations Group said the ICG had called them for a meeting regarding the drug haul at around 4pm on Sunday.