Even as seven BJP candidates filed their nomination papers for the Rajya Sabha elections on Wednesday, suspense grew around the possibility of the party fielding an eighth contender on the last day of nomination on Thursday – a move that could necessitate polling for the Upper House on Feb 27. BJP’s seven candidates – RPN Singh, Sudhanshu Trivedi, Chaudhary Tejveer Singh, Sadhana Singh, Sangeeta Balwant, Amarpal Maurya and Navin Jain – filed their nominations in the presence of CM Yogi Adityanath…