BJP's 91 MLAs, 12 MPs and office bearers were travelling across the state to drum up huge support for the rally.
Former minister Ashwani Choubey was touring the districts on “Hoonkar rath” to mobilise people for the event, he said.
Bihar BJP chief Mangal Pandey said Sushil Modi, Yadav and other senior party leaders were taking stock of arrangements for the rally daily.