Dec 13: Soon after parliament was adjourned till noon Monday, National Democratic Alliance (NDA) members led by senior leader L.K. Advani began a protest outside to press for a parliamentary probe into the allocation of 2G spectrum.
Leader of opposition in the Lok Sabha Sushma Swaraj, leader of opposition in the Rajya Sabha Arun Jaitley and Janata Dal-United (JD-U) leader Sharad Yadav were among those who participated in the 'dharna', or sit-in.