The biggest upset for the BJP was losing the Patna Teachers’ seat, where its veteran MLC Nawal Kishore Yadav was defeated by the RJD’s Dr Sanjeev Kumar. PATNA: Rashtriya Janata Dal (RJD) candidate Dr Sanjeev Kumar Singh defeated Bharatiya Janata Party (BJP) veteran Nawal Kishore Yadav in the Patna Teachers’.