While Mumbai-based BPCL outclassed UBI 6-1 in Pool A, after leading 2-0 at half time, Delhi's ONGC thrashed a jaded Western 8-1, after taking a commanding 6-1 lead midway through the 70-minute Pool A encounter.
In the third game of the day in Pool B, former champions Indian Oil trounced Northern Railway, Delhi, 6-1 after leading 1-0 at half-time.
The winners' other goal scorers, all from the field, were Tushar Khandekar, Hari Prasad and Ravi Pal between the 64th and 68th minutes. In between, Vikram Singh found the target for UBI to reduce the margin of defeat.
Earlier, Macheiah's ONGC teammates Mandeep Antil, Amit Malik, Diwakar Ram, Sumit Kumar and K H Jayanta chipped in with a goal each to complete the rout of Western who scored a consolation goal through Jaykaran, late in the first half.
Sunil Yadav and Pradhan Somanna, both scored two goals each, while Olympians Prabhjot Singh and Deepak Thakur, the skipper of the side, netted a goal each to complete the tally of goals.
Northern Railway, who were a disjointed lot, managed to reduce the margin through Shamsher's late goal.