RS polls: Chidambaram, Ramesh, Tankha file nomination, murmurs of discontent in Congress over choice of candidates

Congress leaders P Chidambaram, Jairam Ramesh, Vivek Tankha and Imran Pratapgarhi filed their nomination papers on Monday for the June 10 election to Rajya Sabha, amid voices of discontent emerging from within the party over the choice of candidates.Congress president Sonia Gandhi had on Sunday night cleared the names of 10 party nominees, including Ajay Maken, Randeep Surjewala and Mukul Wasnik, for election to the upper house.