Answer : 3. "नीरज चोपड़ा"
Explanation :

Neeraj Chopra fought the odds and Johannes Vetter to win the men's javelin throw gold medal at the Tokyo Olympics. Thanks to Neeraj Chopra, August 7 will always be a Red Letter Day in Indian sporting history. On this day in 2021, Neeraj Chopra won the men's javelin throw gold medal at the Tokyo 2020 Olympics.