Kozhikode: ATK Mohun Bagan began their Super Cup campaign with an emphatic 5-1 drubbing of local side Gokulam Kerala FC at the EMS Corporation Stadium on Monday. While Manvir Singh scored the remaining goal for ATK Mohun Bagan, Sergio Mendigutxia pulled one back for the Malabarians later in in the second half, but by then, the visitors were already in …