Indian swimmer Sajan Prakash has failed to qualify for the men's 200m butterfly semi-finals at the Tokyo Olympics after finishing fourth in Heat 2.

Prakash, who clocked a personal best of 1:56:38 in Italy last month to breach the A mark for Olympic qualification, could only manage 1:57.22 to finish 24th among 38 swimmers. The top-16 progressed to the semifinals. Prakash will compete in the 100m Butterfly on July 29.