The meeting of the Opposition parties is scheduled to take place in Bengaluru on 18 July. The opposition parties have taken the initiative to unite ahead of the Lok Sabha elections.
The chief was speaking at a training camp for party workers at the historic religious town of Naimisharanya.
Pointing out that the Opposition has an important role in a democracy, the former UP chief minister lamented that the BJP government does not respect the Opposition.
Ratan Lal Kataria, a three-time BJP MP from Haryana's Ambala and also a former union minister, passed away in the PGI Hospital here on Thursday. He was 72 years old.
State party chief announced that the party would soon launch the 'Maha Jan Sampark Abhiyaan' from May 30 to June 30.