Campaigning for by-election to two Assembly constituencies and one Lok Sabha seat in Uttar Pradesh ended on Saturday evening. Voting for these seats will be held on Monday.<br />''<br />''For Mainpuri Lok Sabha seat, Samajwadi Party has fielded Dimple Yadav, wife of Samajwadi Party President Akhilesh Yadav. This seat fell vacant due to demise of the Samajwadi Party's stalwart Mulayam Singh Yadav. BJP has fielded Raghuraj Singh Shakya.<br />''<br />''The two State Assembly seats going for by-polls include Rampur and Khatauli in Muzaffarnagar. Congress and Bahujan Samaj Party have not fielded their candidates in the by-polls.