Amritsar, Feb. 5 -- A gangster identified as Jagroop Singh Charna, an associate of notorious gangster Lakhbir Singh alias Landa, was injured in an encounter with police encounter while trying to escape police custody on Tuesday evening, officials said. Commissioner of Police (CP) Gurpreet Singh Bhullar said Charna was working for gangster Landa who along with other foreign-based associates was making extortion calls to prominent businessmen in the state....