India, Aug. 31 -- A couple in their 30s along with a 23-year-old woman were arrested on Friday for selling drugs, police said, adding that two raids were conducted in north Delhi's Burari and Bhalswa Dairy and over a kilogram of heroin worth several lakh rupees was seized.

Investigators said they are trying to get hold of the entire network of drug traffickers involved in smuggling and sale of the contraband in Delhi.

Deputy commissioner of police (outer-north) Hareshwar V Swami said following a tip-off, a team from the anti-narcotics cell conducted a raid at Kalandra Colony and held a 23-year-old woman, Afsana (single name), a resident of northwest Delhi's Jahangirpuri.

"Afsana had 300 grams of heroin - a commercial quantity. A case u...