After a goal-less first half, Kerala Blasters opened the scoring in the 49th minute through Josu at the Jawaharlal Nehru Stadium.
The lead was doubled when former India striker Mohammad Rafi headed one in the 68 minute. Sanchez Watt soon consolidated the hosts' position with another goal in the 72nd minute, leaving the visitors clueless.
The NorthEast, who finished last in the inaugural edition, finally found themselves on the scoresheet when Argentine Nicolas Velez brought the margin down with a strike in the 82nd minute. The effort was a mere consolation as last season's finalist Blasters garnered full points from the game in front of their home crowd.
Following a long throw-in into the box by Rahul Bheke, Carvalho's flick was headed in by Rafi at the far post to leave the home fans jubilant.
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More agony was in store for the visiting side as Sanchez Watt, who is a product of the Arsenal youth school, took the ball beautifully after being fed by Bywater and Rafi. Watt was onside and with no defender marking him, it was easy for him to shoot the ball between goalkeeper Rehenesh's feet and into the back of the net.
Earlier, in the first half, both teams failed to find the back of the net. When they managed to spilt the defence, their strikers were caught offside.