KATHMANDU: Ratnajit Tamang and his sister Nangsal won the mixed doubles title of the Yonex-Sunrise Pakistan International Series Badminton Tournament in Islamabad on Friday. The Tamang siblings defeated Pakistani pair of Muhammad Bhatti and Mehmona Ameer 21-13, 21-15 in the final match. Pakistan’s Rizwan Azam won the men’s singles title, while Palwasha Bashir claimed the women’s singles trophy. Pakistani pair of Azam and Sulheri Kashif Ali bagged the men’s doubles title, whereas Bashir teamed up with Saima Manzoor to win the women’s doubles title.