Chennai Super Kings beat Mumbai Indians by 22 runs to lift the IPL-3 trophy last night. Electing to bat, Chennai posted 168 for five, thanks to Suresh Raina's unbeaten 57 and then restricted Mumbai to 146 for nine to win their maiden IPL title in a thrilling final at the DY Patil Stadium in Mumbai.Chennai though had to spend some anxious moments towards the close of Mumbai run chase with big-hitting Kieron Pollard threatening to almost single-handedly win the match. But he was out in the penultimate over for a 10-ball 27 which was studded with three fours and two sixes.For Chennai, it has been a roller coaster ride having made it to the semifinal in their last league match.Mumbai were the most consistent side in the tournament having won 10 of their 14 league matches, but they faltered at the final hurdle.For Mumbai, captain Sachin Tendulkar top-scored with a 45-ball 48 which was studded with seven fours but he did not get enough support from his batting colleagues. Left-arm spinner Shadab Jakati emerged the most successful Chennai bowler with two for 26 while Doug Bollinger, Albie Morkel, Muttiah Muralitharan and Suresh Raina took a wicket apiece.Suresh Raina was declared Man of the Match for his unbeaten 57 runs. Chennai Super Kings Captain Mahendra Singh Dhoni expressed satisfaction over the final outcome.