The federal agency has registered a case against four accused, who were arrested by the police, and is investigating under the Prevention of Money Laundering Act.
Earlier in the week, the Congress said that over the last few years, the Gujarat coast has become the favourite route for smuggling drugs into India from Pakistan, Iran or Afghanistan.
"How is such a drug syndicate operating in India under the nose of the Government of India, Government of Gujarat and the Narcotics Control Bureau? Why has it not been exposed yet? Who are these operators, importers and individuals/syndicate running the procurement and distribution network of drugs in this country?"