Saina, Sindhu to renew rivalry for National Championships title 0 3 11 Feb 2019 14:16 Timesofindia.indiatimes.com (sports) India's badminton queens Saina Nehwal and PV Sindhu will reignite their on-field rivalry at home turf for the coveted women's singles title at the 83rd edition of National Badminton Championships which begins with the qualifiers on Tuesday.