India tonight stormed into the final of the World T20 with a resounding six-wicket victory over South Africa at Mirpur in Bangladesh. Chasing a competitive target of 173, India completed the task with five balls to spare to reach their second World T20 final. The reigning ODI world champion will lock horns with Sri Lanka in the title clash on Sunday. Virat Kohli made a scintillating unbeaten 72 and Suresh Raina's 21 off nine balls was equally important.Brief Scores:South Africa: 172 for 4 in 20 overs.India: 176 for 4 in 19.1 overs.