PV Sindhu, RMV Gurusaidutt and women's doubles pair Jwala Gutta and Ashwini Ponnappa led India's charge by qualifying into the quarter-finals of the Badminton Asia Championships at the Gimcheon Indoor Stadium in Korea today. World No.10 Sindhu finally overcame Japan's Eriko Hirose 14-21, 21-13, 21-18 for the first time in four meetings in a marathon women's singles match.Gurusaidutt also progressed to the men's singles last eight as he beat Chinese Taipei's Wang Tzu Wei 17-21, 21-13, 21-19 in their first ever match. Jwala and Ashwini combine beat Thai third seeds Aroonkesorn Duanganong and Voravichitchaikul Kunchala 21-11, 21-18 to advance to the quarter-finals of the continental championships.However, it was disappointment for Parupalli Kashyap who went down to Chinese Taipei's Hsu Jen Hao after he lost a close contest 23-25, 17-21.