The correct answer is (c) Sushil Kumar.
Sushil Kumar is an Indian wrestler who won the bronze medal in the men’s 66 kg freestyle wrestling event at the 2012 Summer Olympics. He is the first Indian wrestler to win an individual Olympic medal. He has also won gold medals at the 2010 Commonwealth Games, the 2010 Asian Games, and the 2011 World Wrestling Championships.
Gagan Narang is an Indian shooter who has won a gold medal at the 2010 Commonwealth Games, a silver medal at the 2010 Asian Games, and a bronze medal at the 2012 Summer Olympics. He is the first Indian shooter to win a World Cup gold medal.
Saina Nehwal is an Indian badminton player who has won a gold medal at the 2010 Commonwealth Games, a silver medal at the 2011 World Championships, and a bronze medal at the 2012 Summer Olympics. She is the first Indian badminton player to win a World Championship medal.
Vijender Singh is an Indian professional boxer who has won a gold medal at the 2008 Beijing Olympics. He is the first Indian boxer to win an Olympic medal.
The Rajiv Gandhi Khel Ratna Award is the highest sporting honour in India. It is awarded annually by the Ministry of Youth Affairs and Sports to the most outstanding sportsperson of the year.