"I think the Speaker acted in haste in recognising the 13 rebel RJD MLAs as a separate group in the Assembly and did so without following due process as per the Constitution," Anwar old reporters here.
Chaudhary should have consulted constitutional experts and taken views of the MLAs concerned one by one before taking a final decision in the matter, he said.
"It's nothing but an election stunt on the part of the JD(U) and the Chief Minister," he said, referring to the agitation.
"If Nitish is so serious about special status to Bihar, then why did he not raise the issue when he was a minister in the Atal Bihari Vajpayee government?" Anwar said.