In the second match of the day qualifiers Union Bank of India, also from Mumbai, got the better of Indian Air Force, Delhi, 2-1 in Pool D.
Twice in arrears, Western Railway in splendid fashion fought back to score a 3-2 win against a spirited Navy in a Pool-C league match.
The sailors took the lead on two occasions through Jugraj Singh's penalty corner conversion off their third award in the 7th minute and Rana Pratap's field goal in the 44th minute.
Western then got the match-winner off a fine effort from Neelkant Sharma at the fag-end of the match.
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In the game between Union Bank and Air Force, Bacon Kheratkar scored from a field attempt to put the bank team in front in the 10th minute.
The Delhi side got the equaliser through full back Love Singh who scored from a penalty corner in the 24th minute.