Bharat Raghav of Haryana ended top-seed Lakshya Sen’s run in the men’s singles quarterfinals of the 85th Senior National Badminton Championships here on Friday, with an intensely fought 21-15, 10-21, 21-17 win in four minutes less than an hour and set up a clash with Telangana’s M. Tharun, the fourth seed. | Photo Credit: RITU RAJ KONWAR/The Hindu An hour …