JAMMU: Jammu and Kashmir police’s State Investigation Agency (SIA) has filed its first chargesheet in a narco-terror case involving the seizure of 46 kg of heroin in Jammu and Punjab in Aug last year, exposing the role of Pakistan-based terror outfit Lashkar-e-Taiba to foment unrest in the state and elsewhere in India.“The case stems from the arrest of Sartaj Singh, a resident of Punjab’s Tarn Taran district, along with the seizure of over 33.5 kg of heroin from Bus Stand area in Jammu, based on precise intelligence inputs on Aug 9 last year,” an SIA spokesperson told reporters in Jammu on Sunday.The investigation led to the identification and arrest of a second accused, Amritpal Singh alias Fouji, who initially fled the scene with another consignment but was later arrested by Punjab police, leading to the recovery of an additional 12.6 kg of heroin.Investigators unearthed critical evidence linking Amritpal to a Pakistani handler affiliated with Lashkar-e-Taiba, the spokesperson said.Both accused have been booked under NDPS Act and UAPA.