New Delhi: The Rajya Sabha witnessed unruly action when some AIADMK members broke mikes on the Chairman's table in the last leg of the first part of the Budget Session. The party was agitating over the Sri Lankan Tamils issue. Scenes of bedlam were witnessed when two out of the four mikes on the Chairman's table were wrenched out and broken by AIADMK members. The DMK soon followed suit.