Kolkata Knight Riders' Robin Uthappa lofts one in the air during their  IPL tie against Rising Pune Supergiants at Pune yesterday. Pic/PTI

Pune: Riding on a brilliant half ton from Robin Uthappa and a quickfire innings from captain Gautam Gambhir, Kolkata Knight Riders hammered Rising Pune Supergiant by seven wickets in the Indian Premier League-10 match at Maharashtra Cricket Association Stadium, here yesterday.