Indian shuttler Saina Nehwal has entered the semi-finals of the Malaysian Open Super Series Premier badminton tournament. In the quarterfinal at Shah Alam today, the Olympic bronze medallist overcame Thailand's Porntip Buranaprasertsuk in three games 19-21, 21-14, 21-14. However, another Indian, P V Sindhu, bowed out after losing to former World Champion Ratchanok Intanon of Thailand in straight games 7-21, 8-21 in her quarter-final.