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Running his first race this season, Jabir clocked 49.94 seconds to finish first in men's 400m hurdles.
Sunday's main race has been shortened due to the conditions at the Buddh International Circuit.
Ducati's Francesco Bagnaia suffered a crash that blows the World Championship contest wide open.
The 20-year-old clocked 4:05.39 seconds to erase the mark set by Sunita Rani at 4:06.03 at the 2002 Asian Games in Busan.
Results 1-4
