Wrestling Federation of India (WFI) President Brij Bhushan Sharan has indicated Kumar, the reigning Commonwealth Games freestyle champion at 74 kilograms, will be suspended if found guilty of involvement.

The incident occurred after Kumar had beaten rival Praveen Rana in the semi-finals of the 74kg competition at the event in New Delhi.

Kumar then went on to book his place on the Indian team for Gold Coast 2018 with victory over Jitender Kumar in the final.

The aftermath of the semi-final bout was marred by violence, where Rana and brother Naveen were reportedly attacked for taking to the mat against Kumar.

Rana accused Kumar, a bronze medallist at Beijing 2008 before he claimed silver at the Games in London four years later, of instigating the unsavoury incident.

The 34-year-old denies Rana's claims and the clash, involving supporters of both wrestlers, is now being investigated by Delhi Police and the WFI.

"Praveen Rana had registered the complaint against Sushil in the matter after which we gave notice to Sushil and he has answered it," Sharan told Indian agency Asian News International.

"We will submit Rana's complaint and Sushil's answer to the Disciplinary Committee of WFI. 

"A decision on the matter will be taken by the federation after the ongoing Pro Wrestling League."

The Times of India reported Kumar, who was also at the centre of a selection row for the 2016 Olympics in Rio de Janeiro, responded by insisting he would never deliberately bring the sport in the country into disrepute.

"I want to assure that neither I nor any of my supporters were involved in this whole incident," he wrote in his response to the WFI, according to the Times of India. 

"I condemn the entire episode."