Original: Under the Radcliffe Award , Shakargarh tehsil was transferred to Pakistan and attached with Sialkot District . However with the creation of Narowal District on 1 July 1991 , Shakargarh became tehsil headquarters was included as one of its tehsils .
Simplified: Shakargarh then became part of Sialkot District , however when Narowal District was created in 1991 , Shakargarh became part of that district .