India's ace shuttler Saina Nehwal sailed into the quarterfinals with a straight game victory but it was curtains for Parupalli Kashyap and P V Sindhu in the second round of the Korea Open Super Series Premier here today. Olympic bronze medallist Saina Nehwal took 36 minutes to brush aside Mingtian Fu of Indonesia 21-16 21-9 in the women's singles at the SK Handball Stadium here. Han beat Tzu Ying Tai of Chinese Taipei 21-16 21-16 in another match. [caption id=attachment_583914 align=alignleft width=380