Put in to bat, Customs were bowled out for 138. But, they showed great spirit as their bowlers hit back to dismiss Union Bank for a paltry 91 runs in 15.5 overs.
This was the second successive win for Customs, who had earlier defeated RCF and are now virtually assured of a place in the semi-final.
Brief scores: Group B: Mumbai Customs 138 all out in 20 ovs (S Wagh 37; P Patil 4-24, S Jadhav 3-20) beat UBI 91 all out in 15.5 ovs (S Jadhav 25; J Singh 3-4, S Dubli 2-6). MoM: S Dubli (Customs).