As in their last match against Kerala Blasters, ATKMB struggled to get going initially, while SCEB made some fine attacking moves but lacked the finishing touches.
Chhetri was shown the first yellow in the 22nd minute after bringing down Anirudh Thapa, something he repeated on the same player after nine minutes to be sent off.
The win took the Highlanders to the second spot with eight points as they remained unbeaten from four matches.
Australia beat France 7-6 in a dramatic penalty shootout to reach the last four of the Women's World Cup for the first time.
SCEB failed to make use of a numerical advantage to settle for a 1-1 draw against FC Goa
A summary of sports events and persons who made news on Friday
A summary of sports events and sports persons, who made news on Monday
Some broke stereotypes. Some inspiring. Some made our jaws drop.
- 'I feel I came through this year stronger and wiser'
Rajneesh Gupta presents all the numbers from the first Test in Rajkot.
With India and England set to face-off on Wednesday in the first Test at Trent Bridge with an eye on the Pataudi Trophy, Rajneesh Gupta presents the history of their famed rivalry in numbers...
