Opposition leaders today called on Lok Sabha Speaker Om Birla in his chamber at Parliament House. Congress leader and Leader of Opposition in the Lok Sabha Rahul Gandhi, TMC MP Kalyan Banerjee, NCP (Sharad Pawar)’ Supriya Sule, Samajwadi Party’s  Dimple Yadav, RJD’s Misa Bharti and others were present in the meeting.