Starting in lane 3, Prakash clocked 1 min 59.37 seconds in his heat and is has not qualified for the next round.
The heat was won by Simon Sjodin of Sweden who clocked 1 min 56.46 seconds while Robert Zbogar of Slovakia came second 1 min 57.05 seconds. Gal Nevo of Israel was third in the heat with 1 min 58.64 seconds.
In the third heat, the legendary Michael Phelps did not exert himself finishing third with timing of 1 min 55.73 seconds. The best timing in the heats was clocked by Tamas Kenderesi 1min 54.73 seconds.