MUMBAI: Acting on specific intelligence, the Directorate of Revenue Intelligence (DRI), Mumbai, intercepted a Nigerian woman suspected of transporting narcotic substances from Delhi to Mumbai by bus.

The operation, conducted late at night, involved a 50-kilometre surveillance trail before the woman was stopped and her baggage checked.

"Upon examination of her luggage, officers recovered food packets (oats) and juice tetra packs containing a crystalline substance and tablets. Laboratory testing using the NDPS Field Test Kit confirmed the substances to be 2.56 kilograms of methamphetamine and 584 grams of ecstasy tablets." DRI said in a statement.

In a follow-up operation, the person who was to receive the consignment was also apprehended. The seized narcotics are valued at around Rs 5 crore in the international illegal drug market.

The Nigerian national has been taken into custody under the relevant provisions of the Narcotic Drugs and Psychotropic Substances (NDPS) Act, 1985.

Further investigation is currently underway.