New Delhi, Sep 14 (ANI): New Delhi's Narcotics Control Bureau (NCB) seized a large cache of fine quality heroin worth over Rupees 0.6 billion and arrested an Afghan national along with two Indians for allegedly smuggling the drugs. The Afghan national along with two Indians have been arrested for allegedly smuggling in 31 kilograms of fine quality heroin concealed in raisin boxes which was to be sold in a famous dry fruits market in Delhi. Officials said a tip-off led sleuths of the Delhi zone of the NCB to a cold storage in Kundli in Haryana's Sonepat district. Officials said the raisins consignment, imported from Afghanistan, was destined to be delivered in the famous 'Khari Baoli' dry fruits market in Chandni Chowk area of New Delhi and the high quality heroin, sourced from the same country, was being sent under cover.