wo-time winners Chennai Super Kings pulled off a sensational last-ball two-run victory over defending champions Kolkata Knight Riders with some brilliant bowling and fielding effort which saw them defend a low score in their thrilling IPL match, here today.Put into bat, Chennai found the going tough against Kolkata Knight Riders, who produced a disciplined bowling performance to restrict the hosts to 134 for six in their stipulated 20 overs.However, the Super Kings returned with a clincal bowling and fielding performance, led by Dwayne Bravo (3/22) and R Ashwin (2/5), to restrict Kolkata to 132 for nine and continue their domination at home.R Ashwin exults after dismissing Robin Uthappa, Chennai Super Kings v Kolkata Knight Riders, IPL 2015, Chennai