[3] In 2024, his son Karan Bhushan Singh, the president of Uttar Pradesh Wrestling Federation, was fielded in his place as the BJP candidate from Kaiserganj and won by a margin of more than 140,000 votes.

[4][5] His political career is marked by many controversies; he was arrested in the demolition of the Babri Masjid case and booked under the anti-terrorism law TADA for harbouring the shooters of Dawood Ibrahim gang.

[8] In 1991, he was elected to the 10th Lok Sabha from Gonda constituency in Uttar Pradesh as the Bharatiya Janata Party candidate.

On 20 July 2008, he joined the Samajwadi Party after the BJP expelled him for cross-voting in the parliament during the 2008 Lok Sabha vote of confidence.

[27] In 1992, he was involved in the Babri Masjid Demolition case and, along with 39 other people, was arrested by the Central Bureau of Investigation (CBI).

"[8] In 1993, under the Terrorist and Disruptive Activities (Prevention) Act, he was charged with helping associates of Dawood Ibrahim, who allegedly organised the J.J Hospital Shootout in Mumbai.

[30][31][32] In a video interview with the web portal The Lallantop in 2022, Brij Bhushan stated, "I have committed a murder in the past.

[8][33] After he became the president of the Wrestling Federation of India (WFI), in an interview with The Indian Express, he said, "They [wrestlers] are strong boys and girls.

[8][35] In January 2023, a group of Olympians and international wrestlers including Vinesh Phogat, Sakshi Malik, Bajrang Punia, and others organised a sit-in demanding disbanding of the federation due to alleged sexual harassment of female wrestlers by Brij Bhushan.

[39] According to a report by the Indian Express, two female wrestler complainants described the way Brij Bhushan used to touch their breasts and stomach sexually on the pretext of checking their breath, in a police complaint on 21 April 2023.

[citation needed] The FIRs in the case mention allegations against Brij Bhushan and WFI secretary Vinod Tomar.

[44][47] Vinesh Phogat, who has won multiple medals at the World Wrestling Championships, claimed she was "mentally harassed, tortured and threatened to be killed" by Brij Bhushan for complaining against him to Prime Minister Narendra Modi and then sports minister Anurag Thakur.