Sajan finished 41st in terms of timing amongst 43 swimmers who participated in the 200m Butterfly heats.
Shivani finished 28th out of 29 swimmers in the 200m freestyle finishing 2nd among 3rd in her heat.
Sajan finished a disappointing 4th out of five swimmers in his 200 metres butterfly event.
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.