In the last week of September Gandhi would formally launch the party's campaign for this year's state Assembly polls, Nath said. However, he added that the programme was yet to be finalised.
Instead of the election manifesto, the party would bring out a 'vachan patra' (a note of promises), Nath further informed.
"We will bring out a 'vachan patra', which is being finalised. We will give promises to the electorate instead of making any announcements," he said, reported news agency PTI.
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"Initially, our focus will be on 80 seats, where the party has not won for a long time. We are getting peoples' survey on these seats and expecting to finalise the names by September 10-12. We will also keep the caste equation in our mind before taking a final decision," he added.
Nath clarified that the party has no dearth of capable leaders.
On a question about an alliance, he said the party is in discussion with the BSP and the common objective is to defeat the BJP.
MP Assembly elections will take place just a few months before the Lok Sabha elections 2019. The outcome of the state polls is bound to affect the general elections.