Explanation:

- Bajrang Lal Takhar: He is the first Indian rower to win a gold medal at the Asian Games. He achieved this milestone in the year 2010 at Guangzhou.

- Sawarn Singh: He is also a recognized Indian rower, but he does not have a gold medal from the 2010 Asian Games.

- Dattu Baban Bhokanal: Another talented Indian rower, but he is not known for winning in the 2010 Asian Games.

- Dushyant Chauhan: This Indian rower is known for his achievements, but not for a gold medal at the 2010 Asian Games.

Bajrang Lal Takhar is the correct answer. .