Chennai Super Kings beat Sunrisers Hyderabad by a narrow 12-run in Champions League T20 match in Ranchi yesterday. While Suresh Raina smashed a quickfire half-century, skipper Mahendra Singh Dhoni produced a belligerent unbeaten knock of 63 for Chennai Super Kings. Chasing a daunting 203-run target, Sunrisers Hyderabad scored 190 for seven.