India won the toss and decided to bat first in the third and final Cricket Test against Sri Lanka at Kandy today.Holding a two-nil lead after winning the first two matches by comprehensive margins, Virat Kohli and his men stand on the cusp of history, aiming to become the first Indian team to complete a whitewash in an overseas three-Test series. India have never won a full Test series abroad in 85 years since their debut in 1932.