Kolkata Knight Riders brought their IPL campaign back on track today with a 42-run victory over Bangalore Royals Challengers in the match played in Bangalore. Sent into bat, the Knight riders posted a challenging 165 for eight in their stipulated 20 overs. Skipper Gautam Gambhir was the top scorer with a strokeful 64 in just 39 balls. Kolkata then restricted the Challengers to 123 for nine in their twenty overs.In the other match now under way in Delhi, put in to bat is Chennai Super Kings against Delhi Daredevils