Amritsar: The Narcotics Control Bureau (NCB) Chandigarh Zonal Unit has taken major action against Sandeep Singh alias Chattha, a resident of Rasulpur Rohi village in Amritsar district, Punjab. The accused, known to be a close associate of gangster Jaggu Bhagwanpuria, has been sentenced to an additional one year in prison under the NDPS Act in.