[2] He was banned for 4 years and barred from the 2016 Olympics in Rio de Janeiro by the Court of Arbitration for Sport after the World Anti-Doping Agency (WADA) appealed against the decision of the National Anti-Doping Agency to allow him to compete even after he failed a doping test by testing positive for anabolic steroids.

At the Games held at home in New Delhi, India, Narsingh Yadav was a last-minute replacement and competed in the men's freestyle 74 kg category.

[6] In Melbourne, Australia, Narsingh finished second in the Commonwealth Championship winning the silver medal, losing in the final to Cleopas Ncube of Canada.

[7] At the Olympics in London, Narsingh Yadav lost his opening bout against Matt Gentry of Canada in the 74 kg freestyle event and was knocked out of the tournament.

With the Uzbek grappler qualifying for the final, Narsingh was able to compete for a medal through the repechage where he first faced Ramazan Kambarov of Turkmenistan and beat him 4:1.

[9][10] In honour of his bronze medal, Narsingh, along with Seema Punia, was awarded a cash prize of Rs 50 lakh by the state government of Uttar Pradesh.

[12][13] Competing at the 2015 World Championships in Las Vegas, Yadav won 3:1 in the first round over Hanoch Rachamin of Israel.

A day prior to Yadav's first bout at the Olympics, on 18 August 2016, he was handed a four-year ban by the Court of Arbitration for Sport.

[19] For the inaugural edition of the Pro Wrestling League, Narsingh was bought by the Bangalore franchise, owned by JSW Sports, during the auction conducted in New Delhi.