India opened their Twenty20 World Cup campaign with a comfortable seven-wicket win over debutants Afghanistan in St. Lucia last night. The part-timers from Afghanistan were outclassed in every department but posted a respectable total of 115 for eight thanks to 50 from opener Noor Ali and 30 by Asghar Stanikzai.Despite losing three wickets, India had few problems reaching their target with 31 balls to spare. Murali Vijay top-scored with a brisk 48 that featured three sixes.India play their next Group C match against South Africa today while Afghanistan meet the South Africans on Wednesday. In another match, Pakistan made an encouraging start to the Defence of their Twenty20 World Cup title with a 21-run win over Bangladesh at the same venue. Openers Kamran Akmal and Salman Butt made identical scores of 73 and shared a 142-run partnership that laid the platform for Pakistan's impressive total of 172 for three.Bangladesh recovered from a slow start to make a late charge at their target with Mohammad Ashraful belting 65 and Shakib Al Hasan 47 but their dismissals ended their team's slim hopes and they finished on 151 for 7.