India, Oct. 23 -- Karandeep Singh, the Punjab Police constable arrested on October 15 by the Narcotics Control Bureau (NCB) for colluding with drug traffickers, has allegedly told interrogators that he has collected over two dozen consignments of drugs sent from across the Pakistan border since June this year.

An NCB officer, who asked not to be named, said Karandeep, who was posted with the force's anti-drone unit mandated to intercept drugs and weapons smuggled across the Indo-Pak fence, used his operational knowledge of anti-drone deployments in Tarn Taran district to guide smugglers to safe drop zones.

On two occasions, he did pass on tips to the police that led to drug seizures. Karandeep also applied for, and received, an arms lic...