Lucknow, October 8. Samajwadi Party (SP) is going to face a big blow before the proposed assembly elections in Uttar Pradesh next year. Reason, three rebel party MLAs Rakesh Pratap Singh from Gauriganj, Abhay Singh from Ayodhya (Gosainganj) and Vinod Chaturvedi from Kalpi (Jalaun) have officially joined the Bharatiya Janata Party (BJP).