Addressing SP workers at his native place Saifai on Wednesday, Mr Yadav said Congress always does things keeping in mind elections.
"First, the party waived farmers' loan slightly and then the elections took place which saw Congress winning a convincing majority.
"They are so clever and such cheats that people believe them all the time, "Mr Yadav charged and asked the people not to fall for Congress' tactics.
Hinting at his ambitions for a larger role in national politics, Mr Yadav said coming Lok Sabha elections is the "real elections as Delhi means everything".
"State governments don't mean much. They are like your 'patwari' (revenue official) and government in Delhi is akin to your Collector", the SP chief said.
Speaking on the occasion, Mr Yadav's son and Uttar Pradesh
Chief Minister Akhilesh Yadav said party workers' next target should be to see Mr Yadav in the throne in Delhi.
The SP chief claimed that in next Lok Sabha elections, SP would be in the role of a kingmaker and party workers should work hard so that the party can done the key role.
He said the faith with which people installed a SP government in Uttar Pradesh has to be reiterated in Lok Sabha elections.