Two-time Olympic-medallist PV Sindhu survived a scare before prevailing over Korea's Sim Yu Jin in three games to enter the quarterfinals of Malaysia Masters Super 500 badminton tournament at Kuala Lumpur

Seeded seventh, Treesa and Gayatri, Commonwealth Games bronze medallists, dominated their first-round encounter against Huang Yu-Hsun and Liang Ting Yu of Chinese Taipei.