Mysuru: Master swimmers from Mysuru representing Karnataka have excelled in the 21st National Masters’ Swimming Championship held at Hyderabad recently. Nima Manjrekar (55-59 year category) won gold medals in 50 mts breaststroke and 100 mts breaststroke, silver in 50 mts freestyle, bronze in 4×50 mts medley relay and silver 4×50 mts freestyle relay; Anya Saini…