"We sent an application to the police commissioner seeking permission for the fast but have got no response. There has been no formal letter denying us permission, from anyone," Hazare said.
"If they don't let us sit on fast, I will go to jail. This is India's second struggle for freedom and I will fight against corruption till my last breath," Hazare said.
Arvind Kejriwal added: "Until now we have not got any rejection letter. They (police) asked for clarifications, we gave them. As of now we are going ahead with our fast."
Delhi Police on Thursday said prohibitory orders banning any gathering of five or more people will be imposed in places of Delhi, including Jantar Mantar area, during the monsoon session of parliament that began Monday.