The world no. 4 Sindhu defeated third seed Ratchanok Inthanon 21-13, 21-15 here at the Siri Fort Sports Complex.
The Rio Olympics silver medallist advanced into semifinals by defeating Beatriz Corrales of Spain 21-12, 19-21, 21-11 in the quarte-rfinals of the Women Singles.
2013 World champion Intanon had knocked out seventh seed Yip Pui Yin 21-11, 21-11 in the quarter-finals.(ANI)