Sindhu clinched the first game 21-16 but Saina gave her a tough fight in the second game to stretch the game to 20 all.Sindhu then kept her nerves to seal the match 22-20. It is notable that Saina Nehwal had prevailed over Sindhu in their only previous encounter at the international stage back in 2014.
The two ace shuttlers are drawn one game a piece in the Premier Badminton league.
Sindhu shall now face South Korea's Sung J H in the semis to vie for a place in the finals.
The Indian badminton fans were in for a treat on as PV Sindhu clashed against Saina Nehwal in a high voltage quarterfinals at the Siri Fort stadium in New Delhi.
India's ace shuttler P V Sindhu on Thursday defeated Saena Kawakami of Japan in BWF Indian Open at Sirifort stadium in Delhi.PV Sindhu won the first game but K Kawakami gave tough fight in the second game but Sindhu managed to win the contest.
PV Sindhu edges past Saena Kawakami with score of 21-16, 23-21 to set up all Indian quarter with Saina Nehwal.
India's ace shuttler Saina Nehwal displayed tremendous skill to thrash Thailand's P Chochuwong in straight sets and entered the quarterfinals of India Open 2017.
The encounter lasted just 34 minutes as the Indian star dominated the game from the start. Nehwal was in sublime form as she defeated Chochuwong in straight sets 21-14, 21-12 and stamped her authority in the game.