Addressing rallies in the district's remote trans-Ganga region in support of party candidates from Allahabad and neighbouring Bhadohi seats, Yadav said, "Many small parties across several states, where Congress and BJP do not have much stake, are in the fray.
"All these parties will come together after the elections to add to the Third Front's strength and form the next government in the country."
Exhorting party members to work hard, Yadav said, "Ensure that we win as many seats as possible so that we have an important role to play in the next government.
"Being the largest state in the country, UP must play an important role," he said.
Yadav's statement came a day after Congress Vice President Rahul Gandhi ruled out the possibility of his party supporting the 'Third Front' to form the government.
Hitting out at Modi, Yadav dismissed the ' Gujarat model of development' and claimed that his two-year-old regime in the state was a much better-performing one, according to a party release.