Hyderabad: M Suhas Preetham of Telangana won a silver in the mens 200m backstroke event of the junior national swimming championship with a timing of 2:05.57 in Ahmedabad on Tuesday. M. Theerdhu Sama of Andhra Pradesh won a bronze in the same event with a timing of 2:06.84. Sri Nithya Sagi of Telangana settled for a bronze in the womens 400m medley event, clocking 5:13.67.