India, July 21 -- Massive protests inside and outside Parliament rocked the first day of the monsoon session on Monday as a phalanx of agitators marched in central Delhi demanding the resignation of Union education minister Dharmendra Pradhan and the Opposition sought to corner the government over repeated paper leaks and exam irregularities inside the House.

The 23-day-old sit-in hunger strike at Jantar Mantar snowballed into one of the largest disruptive protests in recent years as tens of thousands of people marched to Parliament, braving police batons, tear gas and scores of barricades that turned central Delhi into a gridlock and triggered snarls across the Capital.

In his customary speech before the session, Prime Minister Narendr...