India, Oct. 14 -- West Indies need to win both powerplays to beat India in India, head coach Darren Sammy said on Tuesday, identifying the first six overs as the decisive phase in the ongoing T20I series while backing experienced all-rounder Roston Chase amid criticism over his place in the side.

India lead the five-match series 2-1 ahead of the fourth T20 International here on Wednesday, with Sammy saying his side had repeatedly been forced to recover from expensive powerplays while bowling.

"I think the powerplay was the difference that prevented us from going 2-1 up, because we could have been 2-1 up as well," Sammy said.

He pointed out that India had scored at nearly 14.5 runs per over in the powerplay, despite West Indies restrict...