Kolkata:
Pranab Mukherjee, who has been selected as the UPA's Presidential nominee, will resign on June 26 as the Union Finance Minister.
Earlier sources had said that Mr Mukherjee is expected to file his nomination papers for the Presidential election on June 28.
Four sets of nomination papers, each having 50 proposers and seconders, are being readied for the nomination, Parliamentary Affairs Minister Pawan Kumar Bansal had said recently.
Besides Prime Minister Manmohan Singh and UPA Chairperson Sonia Gandhi, several Union ministers and leaders of constituent parties of UPA are expected to be the proposers and seconders of Mukherjee's candidature for the July 19 election.
As part of preparations, MPs of constituent parties of UPA and supporting parties have been asked by Mukherjee's election campaign managers to sign the nomination papers kept in Parliament House.