India batter Dinesh Karthik has indicated he needs to be continuously backed by the skipper and coach given the finisher's role assigned to him.

Karthik cracked an unbeaten 41 off just 19 deliveries at a strike rate of nearly 213 at the back end of the innings as India amassed 190/6 and then restricted the West Indies to 122/8 in 20 overs in the opening T20I for a 68-run victory.