The correct answer is D. K. D. Jadhav.
K. D. Jadhav was the first Indian to win an individual medal in the Olympics. He won a bronze medal in the men’s freestyle bantamweight wrestling event at the 1952 Summer Olympics in Helsinki, Finland.
Milkha Singh was a track and field sprinter who competed in the 1960 and 1964 Summer Olympics. He is considered to be one of the greatest Indian athletes of all time.
P. T. Usha was a sprinter and hurdler who competed in the 1980, 1984, 1988, and 1992 Summer Olympics. She is considered to be one of the greatest Indian athletes of all time.
Karnam Malleshwari was a weightlifter who competed in the 2000, 2004, and 2008 Summer Olympics. She is the first Indian woman to win a medal in weightlifting at the Olympics.