Manu and Sumeeth, who had earlier lost both their doubles matches in group D, posted a 23-21 21-11 victory in 35 minutes.
In the opening game, the Indians faced some stiff resistance from their Japanese rivals before they managed to prevail 23-21 in a hard fought game.
However, in the second game the Indians hardly needed to break sweat as they comfortably wrapped up the game and the match in their favour to bow out on a high.
The Indian duo then ran into world number five Chai Biao and Hong Wei of China and lost 13-21 15-21.
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