GUWAHATI: Sri Lanka skipper Dasun Shanaka won the toss and elected to bowl first against India in the opening one-day international in Guwahati on Tuesday. The tourists have handed left-arm quick bowler Dilshan Madushanka an ODI debut at the start of the three-match series while Dunith Wellalage comes in for Maheesh Theekshana. All-format skipper Rohit Sharma returns to lead India …