Officials said around 10:00 PM yesterday, CISF sleuths detected suspicious movement of a flier, identified as Belinda F (42), who was to travel to Addis Ababa.
A detailed search of the passenger and her belongings led the Central Industrial Security Force personnel finding narcotic drug 'methaqualone' from her bag. The drug was neatly packed in black paper wrappers, they said.
CISF spokesperson Hemendra Singh said the woman was handed over to anti-narcotics sleuths who later arrested her.
Okeke is a Nigerain national.
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Belinda was on NCB's wanted list and was an international drug peddler, Sharma said, adding the agency is on the trail of their third associate J Paul.
He said after laboratory tests, the drugs consignment was found to be 14.2 kg, out of the 18 kg seized from her bag, and the value of the contraband is about Rs 2 crore in the international market.