In the IPL Twenty20 match at the Feroz Shah Kotla ground in New Delhi today, skipper Gautam Gambhir's strokeful 69 and Robin Uthappa's fine 47 steered Kolkata Knight Riders to a comfortable eight-wicket victory over Delhi Daredevils. Set to score a modest 161 for a win, Kolkata achieved the target in only 18.2 overs.Earlier, batting first, Delhi made 160 for 5 in their twenty overs.