Prannoy, the India no. 4 and world no. 22, defeated a fighting R M V Gurusaidutt - ranked 45th in the world - in a thrilling men's singles final 21-16 20-22 21-17 that lasted 64 minutes at the Cricket Club of India (CCI) courts.
Earlier, rising 17-year-old Hyderabad shuttler Ruthvika, continued her impressive run by stunning fourth seed Arundhati Pantawane, on a comeback trail after a shoulder injury, 19-21 21-18 21-14 in the 50-minute long women's singles final.
In the men's final, Prannoy subdued the never-say-die Gurusaidutt after an intense battle between two trainees of the Hyderabad-based Gopichand Academy that thrilled the crowd.
Both shuttlers fought for every point with Prannoy superior in his smashing and in net play and his rival defending well and even saving a match point in the second game when he was down 19-20.
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In the first game, Prannoy came from behind after he trailed 10-13 to draw level and then kept his nose ahead to win the game with some telling smashes and net dribbles.
However, Guru drew level and then won the game by taking the next two points following unforced errors committed by Prannoy.