NEW DELHI, May 13 -- The National Investigation Agency (NIA) on Wednesday arrested wanted narco-terrorist Iqbal Singh alias Shera after successfully securing his extradition from Portugal.

He was taken into custody by an NIA team at the Delhi airport immediately after he arrived from Portugal, to where he had absconded in 2020. His successful extradition and arrest come as a major shot in the arm for the NIA's fight against Pakistan-backed narco and cross-border terrorism, officials said.

During the investigation, the NIA found Shera to be a key conspirator and handler of an India-based narco-terror module engaged in smuggling heroin from Pakistan.

A native of Punjab's Amritsar, Shera had allegedly masterminded a conspiracy to smuggle na...