Chennai Super Kings beat the Royal Challengers for a thrilling come from behind win to enter their third IPL final in four years. (AP Photo)

Daniel Vettori's Royal Challengers Bangalore beat Mumbai Indians in a one-sided encounter to enter their second IPL final. RCB had also made it to the summit clash in 2009 where they went down to the Deccan Chargers. (AP Photo)

Requiring 21 to win off the last over, Ambati Rayudu struck the winning six as Mumbai Indians shocked the Knight Riders in Kolkata. (AP Photo)

Deccan Chargers leg spinner Amit Mishra grabbed the first hat-trick of the season by removing Punjab batsmen: Ryan McLaren, Mandeep Singh and Ryan Harris. (AFP)

After going unsold in the IPL-4 auctions, Sourav Ganguly finally made a comeback into the Indian Premier League by replacing Ashish Nehra in the Pune Warriors India squad and scored a total of 50 runs in three innings for them. (AFP)