The Kerala athlete clocked 1:47.27 minute to cover the distance.
Defending champion and world record holder David Rudisha from Kenya topped the Heat clocking 1:45.09 minute followed by South Africa's Rynardt Rensburg Van at second spot in 1:45.67 minute, which was also the season's best.
Britain's Michael Rimmer finished third in 1:45.99 minute to qualify for the semi-finals.
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