Police today said the drug was recovered last night following the interrogation of Kuldeep Singh, a resident of Marri Kamboki village in Tarn Taran district.
The accused is lodged in the Amritsar Central Jail in connection with a criminal case registered in 2013. He was brought here on production warrant.
His disclosure statement led to the recovery of 6 Kgs of heroin which he had kept concealed at a secluded place near his village. Police said.
They said the preliminary questioning of the accused has revealed that he was in touch with Pakistan-based heroin smugglers and some notorious Indian smugglers since 2012.
Police have registered an FIR in this regard and have launched a probe into the matter.