Dimple Yadav who is a newly elected Samajwadi Party lawmaker took oath as Lok Sabha MP on Monday. Earlier on 8 December Dimple Yadav won the Mainpuri parliamentary by-poll in Uttar Pradesh. After the demise of Samajwadi Party patriarch Mulayam Singh Yadav, the seat was vacant. Dimple Yadav won by a huge margin of over 2.5 lakh votes and defeated BJP’s Raghuraj Singh Shakya.