New Delhi, March 10 -- Leader of the House in Rajya Sabha JP Nadda on Monday slammed the Opposition after their walk out from the House over the issue of delimitation and New Education Policy (NEP) and suggested a "refresher course" for the leaders to understand the functioning of the House.

Addressing the House, Nadda said, "For the past few days, I have been noticing that under Rule 267 in the House, members are giving notices early in the morning. This practice, by the opposition, is a malicious attempt to damage the institution by undermining the Parliament. It's a vicious design to demean the institution of the Parliament. They are not interested in debate; they want to give the impression that the government does not want to answer...