trade centre amendment in notification no. 131/2016-customs (n.t.) dated 31.10.2016 relating to air of duty drawback circular no.es/ 269/2016-17 january 13, 2017 to: members of the council sub: amendment in notification no. 131/2016-customs (n.t.) dated 31.10.2016 relating to air of duty drawback dear...