New Delhi, March 11 -- The debate on the no-confidence motion against Lok Sabha speaker Om Birla sparked heated exchanges between the Opposition and NDA lawmakers on Tuesday, with Parliamentary affairs minister Kiren Rijiju defending the Speaker's record by presenting data aimed at demonstrating Birla's impartiality. The Congress maintained the motion aims to "save the Constitution" and the "dignity of the House". The 10-hour debate in the Lower House started on Tuesday afternoon after Congress MP Mohammed Jawed moved a resolution. The debate began on a rocky note with Opposition leaders questioning the legitimacy of BJP MP Jagdambika Pal, appointed by the Speaker, chairing the proceedings. P9...