The contraband, concealed in spools of zari threads, slated to be exported to China and South Africa separately, was seized here yesterday after conducting a raid at the firm following a tip-off, Customs officials said today.
"We have seized 2.7 kilograms of ketamine worth around Rs 10 lakhs and 200 grams of heroin worth about Rs 1 crore from the firm," they said.
"We carried out a raid at the firm and recovered two parcels. The ketamine was to be exported to China and heroin to South Africa," said an officer.