Panchkula, June 26 -- Ishaan Sihag defeated Agastya Raghav in straight games 21-6, 21-5 to lift the boys' under-13 singles title on the concluding day of the 14th Ashwani Gupta Memorial District Badminton Championship held at Badminton Hall, Tau Devi Lal Sports Complex, Sector 3, Panchkula, on Tuesday....