The Kolkata Knight Riders leapfrogged the Mumbai Indians, their rivals last night, to take the second spot on the Indian Premier League table.
Kolkata managed only 140 runs but the Mumbai batting collapsed towards the end of their run chase to some decent spells of bowling and they were all out for 108.
Sunil Narine was once again the best bowler on display for Kolkata with four wickets for just 15 runs in his 3.1 overs. His effort made him the top of the wicket-takers in the tournament. The purple-cap holder said Kolkata were not worried when they started to defend the total.
"Our bowlers have been pretty good in this tournament, so we knew we could win this one if we put in the hard work and dedication. The more we win, the better.
"I am pretty much having a dream. It feels good. But I want to take this step by step."
Mumbai were steady in their reply and were content to stay behind the required run rate and they were 60 for one at the end of 11 overs when Narine struck. He bowled Sachin Tendulkar. Dinesh Karthik, who had settled in nicely too at the other end, holed out to Yusuf Pathan off Lakshmipathy Balaji's bowling.
The double blow put pressure on Rohit Sharma and Ambati Rayudu. The latter was stumped charging Shakib Al Hasan.
The experienced Jacques Kallis then chipped in with the wickets of the dangerous West Indians, Keiron Pollard and Dwayne Smith, and their compatriot Narine mopped up the tail including Rohit's wicket.
Gautam Gambhir said: "A captain is as good as his team. If you don't have good bowlers, you cannot do much. To be honest, I did not think 140 was enough. When you lose two early wickets, you are always behind in this format.
"We needed to win this coming from two losses into this match."
Harbhajan Singh, the Mumbai captain, said his team needed to show some consistency and his batsmen need to click.
"We have been playing good and bad cricket in patches. We need to sort out our thinking, and our batting. There was nothing wrong in the wicket today. We did not bat well in the first six overs today. We need to win the next game."
* Compiled by The National staff