Chidambaram, Goyal, Jayant and other key leaders file papers for Rajya Sabha polls
New Delhi: Union minister Piyush Goyal, former ministers P Chidambaram, Jairam Ramesh and Praful Patel, as well as Rashtriya Lok Dal (RLD) president Jayant Chaudhary were among those who filed their nominations for the Rajya Sabha on…