Chandigarh, Aug. 17 -- Top seeds Unnati Bisht and Maisnam Meiraba defeated their respective opponents in the singles event of their respective U-19 girls and U-19 boys categories in the pre-quarter-finals during the Yonex-Sunrise 28th Krishna Khaitan Memorial All-India Junior Badminton Tournament at the Tau Devi Lal Sports Complex in Panchkula on Saturday. Unnati Bisht of Uttarakhand ousted 13th seed Treesa Jolly of Kerala in straight sets 23-21 21-19 while Manipur's Maisnam Meiraba had a smooth sailing against Ravi of Haryana whom he beat by 21-14 21-11. Unnati is now pitted against qualifier Sneha Rajwar, also of Uttrakahnd. Sneha ousted fifth seed Deepshikha Singh of Delhi by 21-15 22-20. Sakshi Gahlawat of Haryana also moved into quar...