NEW DELHI, Aug. 6 -- India's chief doubles coach Tan Kim Her is maintaining an approach of caution and optimism as the BWF World Championships inch closer. Central to India's hopes at the prestigious annual event is the top men's doubles pair, Satwiksairaj Rankireddy and Chirag Shetty. Returning to action following a planned break and physical rehabilitation, the duo will anchor the home campaign. Tan emphasised that managing lingering physical issues and mental sharpness will be the deciding factors at the Indira Gandhi Indoor Stadium from August 17-23. Addressing the primary concern surrounding the 25-year-old Rankireddy's fitness, Tan confirmed that the hard-hitting shuttler's shoulder has shown significant recovery and is clear to retur...