India, Feb. 6 -- For the first time in 22 years, the Prime Minister could not reply in the Lok Sabha to the debate on the President's speech, which was passed through a voice vote amid stifling disruptions in the Lower House on Thursday.

Hours later, Speaker Om Birla made a startling allegation that he had credible information that many Congress MPs "might have reached the PM's seat and caused some unexpected incidents" when PM Narendra Modi was originally scheduled to speak on Wednesday - and ultimately did not.

"On Wednesday, some members of the House behaved in a manner that has never occurred since the inception of the Lok Sabha. The dignified position of the Speaker is enshrined in the Constitution. Historically, political differen...