Kolkata Knight Riders defeated Kings XI Punjab by nine wickets in an IPL match in Cuttack on Sunday. Skipper Gautam Gambhir again led by example with a match-winning half-century as Kolkata Knight Riders remained in contention for play-off berth with a comprehensive nine-wicket win over table toppers Kings XI Punjab in an IPL encounter, here today. Chasing a modest target of 150 on a feather bed, Gambhir anchored the chase to perfection with a well-crafted unbeaten 65 after Robin Uthappa provided the momentum with a 28-ball-46. Such was their domination that the match ended with two overs to spare.