Shera, a native of Amritsar, masterminded a Punjab-based network smuggling heroin from Pakistan. (File Photo) In a major breakthrough against Pakistan-backed narco-terror networks, the National Investigation Agency (NIA) Wednesday arrested fugitive Iqbal Singh alias Shera, a key conspirator in a Hizbul Mujahideen terror financing case, at Delhi’s Indira Gandhi International Airport, hours after securing his extradition from Portugal. Shera, a native of Amritsar, masterminded a Punjab-based network smuggling heroin from Pakistan, channelling drug proceeds via hawala to HM operatives in Kashmir and the neighbouring country for terror activities. “Shera had fled to Portugal in 2020 following a non-bailable warrant issued against him. An Interpol Red Notice had been active since June 2021,” a NIA spokesperson said.…