Hyderabad: Saturdays double-header of the 134th Indian Oil Durand Cup could have a major say in the knockout race, with all four teams in action fighting to take control of their groups and potentially secure a place in the next round. In Kolkata, a mouth-watering Group B clash for supremacy sees current table-toppers Diamond Harbour FC take on ISL champions Mohun Bagan Super Giant at the Vivekananda Yuba Bharati Krirangan at 7:00 PM IST. Earlier, at 4:00 PM IST in Kokrajhar 250 kilometre