RJD chief Lalu Prasad on Monday demanded the resignation of Bihar Assembly Speaker Udai Narayan Choudhry for allegedly violating Constitutional norms by seeking support for the Mahadalit rally organised by ruling JD(U).

"He was behaving like a JD(U) worker and violated Constitutional norms. He should step down, Lalu told reporters outside Parliament House. He said that people holding Constitutional posts should be careful of their conduct in public.