As many as 30 NDA MPs have written to Rajya Sabha Chairman Hamid Ansari demanding action against the members who are disrupting the proceedings of the House. They alleged that the Congress MPs are disrupting the Rajya Sabha for over two weeks in this session despite the warnings by the chair. <br/><br/>The NDA MPs said the conduct of protesting members is preventing them from discharging their duty as Parliamentarians. The Congress has been demanding the resignations of Union Minister Sushma Swaraj and Rajasthan and Madhya Pradesh Chief Ministers over Lalit Modi scandal and Vyapam scam.