Odisha swimming ace Pratyasa Ray today won the silver medal in woman 50m backstroke event of the Thailand Age Group Swimming Championships, which is being held at Aquatic Centre, Assumption University, Bangkok from April 6.
Pratyasa finished second, clocking 31.73 seconds. Saovanee (Thailand) and Mahi Swetraj (India) won the gold and bronze medal respectively with timings of 29.26 and 32.22 seconds respectively.