A team of Directorate of Revenue Intelligence, DRI, has arrested two persons in the national capital and recovered over 28 kg of high grade Afghan heroin from their possession. According to sources, the value of the heroin is estimated to be at 40 crore rupees in the international market. Sources said that inputs indicated that a gang of two or three persons are entering Delhi on Wednesday and bringing a huge consignment of narcotics, to be delivered to certain people based in Delhi.