The Wrestling Federation of India (WFI) though sought permission from the Sports Authority of India (SAI) to organise a preparatory camp but the request has not been approved as of now.
Kumar, along with others, had allegedly assaulted former junior national wrestling champion Sagar Dhankar and his friends at the stadium in May over an alleged property dispute.
Ritu had been dropping her son at her sister's place every day to ensure she trained regularly for the marquee event
The Worlds will be the first major international event for the wrestlers after the Tokyo Olympics.
Kumar, along with several other accused, was produced before the Chief Metropolitan Magistrate through video-conference in the morning.
The youngest among Phogat sisters, Sangeeta last competed in 59kg in the Asian Championships in 2018.
We will compensate wrestlers if there is any contract issue, says Brij Bhushan Sharan Singh
It was also announced that apart from the scholarships to 60 juniors, 30 talented wrestlers, to be identified by the WFI, will be adopted by Tata Motors.
WFI President Brijbhushan Sharan Singh admitted that the Indian team needs to have two psychologists travelling with them all the time.
When Vinesh was asked about her experience in Tokyo where she made a shock quarterfinal exit, she said she "learnt a lot".
The Wrestling Federation of India had earlier handed a temporary suspension to grappler Vinesh Phogat over her behaviour at the Tokyo Olympics.
Kumar and others had allegedly assaulted Dhankar and his friend at the stadium on the intervening night of May 4 and 5 over an alleged property dispute. Sagar succumbed to the injuries later.
Now with the Indian Air Force, Arun Kumar competes in 70kg freestyle and even went to Vladikavkaz, Russia, recently as Ravi's sparring partner.
Former India weightlifter Karnam Malleswari echoed Yogeshwar's sentiments and said she also thinks that India would come back with 10-12 medals.