"We are meeting over tea," Pawar responded on being asked about the agenda for the leaders from different parties getting together.
Banerjee, who arrived here today from Kolkata, will meet Pawar at his residence soon after meeting Prime Minister Narendra Modi in the evening, sources said.
Yadav will also attend the meeting, they said.
Pawar today met the Trinamool Congress chief in her party's office inside Parliament House. Pawar was accompanied by his party colleagues Praful Patel and Tariq Anwar.