Dharambir Singh is associated with which sports?

Sprint
Dharambir Singh has recently book his berth in 2016 Rio Olympics by clocking 20.45 seconds in Men’s 200 meters race at the Indian Grand Prix in Bengaluru and become the first Indian to qualify in the sprint event after Perumal Subramaniam in the 1980 Moscow games. Apart from him, Jinson Johnson from Kerala has also qualified for the 2016 Rio in the 800m race after clocking a time of 1:45.98 seconds.