Chasing a stiff 193 after they opted to field, Uttar Pradesh were in trouble with 0/1 in the first ball but Raina and opener Umang Sharma made it easy in the end with a match- winning 160-run partnership off 90 balls.
Raina hit a fluent 47-ball 56 inclusive of five fours and two sixes while Sharma smashed a careerbest 95 off 47 balls.
Uttar Pradesh thus returned to winning ways after their five-wicket reversal against Tamil Nadu at the Eden Gardens yesterday. They now have two wins from three matches.
With eight points from three matches each, Delhi and Uttar Pradesh will clash in a virtual semifinal tomorrow to determine the finalist from Group B.
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In the second match of the day at the Jadavpur University second campus ground in Saltlake, Bengal finished their campaign with an easy seven-wicket win over Tamil Nadu.
Sudip Chatterjee (51 not out from 47 balls; 6x4) struck a second successive half-century to seal the chase with 22 balls to spare. Writtick Chatterjee gave him a fine support with 44 from 32 balls (5x4).
Brief Scores
Baroda 192/3; 20 overs (Urvil Patel 96, Deepak Hooda 45) lost to Uttar Pradesh 195/3; 18.4 overs (Umang Sharma 95, Suresh Raina 56) by seven wickets.
Tamil Nadu 129/9; 20 overs (Anirudha Srikkanth 37, Kanishk Seth 3/26, Sayan Ghosh 2/19, Aamir Gani 2/16) lost to Bengal 134/3; 16.2 overs (Sudip Chatterjee 51 not out, Writtick Chatterjee 44) by seven wickets.