Mumbai Indians beat Kings XI Punjab by four runs in the IPL cricket at Wankhede Stadium in Mumbai last night. Electing to bat first, the Mumbai team scored 174 for three against Punjab in the stipulated 20 overs.Chasing the big score, Kings XI Punjab lost half their side before the score touched 80 and were then all out for 170.In another match, Rajasthan Royals defeated Royal Challengers Bangalore by 4 wickets with one ball remaining. Rajasthan won the toss and invited Royal Challengers Bangalore to bat first.Bangalore team scored 171 for 6 in stipulated 20 overs, while Rajsthan Royals made 173 for six in 19.5 overs.In today's encounter, Pune Warriors India will take on Chennai Super Kings in Pune at 8 PM.