The ganja was allegedly brought onboard the vessel to be handed over to occupants of a boat from Sri Lanka, police here quoting information received by them said.
As the Lankan Navy personnel, on suspicion, rushed to the two boats anchored close to each other, the occupants of the boat from Tamil Nadu dropped the ganja bundles into the sea.
Both the boats then sped away the from the scene, they said.
They informed the Indian Coast Guard about the smuggling bid, police said.
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