Azad and his supporters had staged a sit-in and they later handed over a memorandum to a magistrate, the IG said adding, they then left the city.
Bhim Army chief Chandrashekhar Azad said farmer leader Rakesh Tikait is the 'pride of western Uttar Pradesh' and he would fight shoulder-to-shoulder with the farmer leader.
UP Assembly polls: Bhim Army chief Chandrashekhar Azad stitches alliance with Bhagidari Sankalp Morcha
Arun Rajbhar in a statement said their coalition will contest on all 403 seats in the state and the Bhim Army chief agreed to be part of it.
The Bhim Army chief said he apprised the DM of the "poor" law and order situation and discussed the case involving the killing of a village head, Satyamev, here.
Leaders of various opposition parties claimed they were placed under house arrest for supporting the 'Bharat Bandh'.
"We extend our full support to our farmers. We are with them in this fight," he said.
The agency, officials sources said, will initiate a fresh round of questioning of the suspects.
No SC/ST member part of CBI team probing Hathras rape case, transparency needed: Chandrashekhar Azad
Earlier in the day, Central Bureau of Investigation (CBI), re-summoned the father and the two brothers of the victim for questioning. They were questioned by the CBI team on Tuesday as well.
The plea by Chandra Shekhar said he and the party workers are making sincere efforts to participate in the Bihar elections and bi-election in other states.
Addressing media here with parents of Hathras victims, Azad said that if the family is not provided 'Y level security' then he will take the victim's family to his house as they are not safe in here.
The Bhim Army chief, who was at the protest site in Jantar Mantar to demand justice for the Dalit woman, asserted that he will go to Hathras and the struggle will continue.
UP police 'detained' Bhim Army chief Chandrashekhar Azad, its Delhi unit head, allege their associates
There was no immediate confirmation from the police on this matter.
There were heated arguments between and the protestors and police personnel outside the hospital. The woman was gang-raped a fortnight ago.
Azad along with his local party workers met protestors outside the Authority's office in Sector 6 of the city and addressed the gathering.