India's Saina Nehwal and Parupalli Kashyap have stormed into the quarter-finals of the Singles competition in the Indian Open Super Series badminton tournament. At the Siri Fort Sports complex in New Delhi today, Saina thrashed Thailand's Natcha Saengchote in straight games 21-15 21-12 in a match that lasted just 35 minutes. Parupalli Kashyap also reached the quarterfinals after prevaling over his training partner R M V Gurusaidutt 21-15 16-21 21-11 in the men's singles competition. However, it was heartbreak for Malaysia Open finalistSourabh Varma, Trupti Murgunde, former national championSayali Gokhale and Commonwealth Games gold medallists JwalaGutta and Ashwini Ponnappa as they crashed out in the secondround.