Chandigarh: In an electrifying night at the Maharaja Yadavindra Singh Stadium, Punjab Kings (PBKS) pulled off one of the greatest comebacks in IPL history, stunning Kolkata Knight Riders (KKR) by 16 runs in a low-scoring yet drama-laden thriller here on Tuesday.From being pummelled early by Angkrish Raghuvanshi and Ajinkya Rahane,