"Lalu Prasad is our leader and we wanted him to be chief minister. When the grand alliance was formed, then its leaders decided that Nitish Kumar would be their leader. I did not agree with it but obeyed," the former union minister said.

Lalu cannot contest elections or hold an official position due to his conviction in a corruption case. Singh also attacked the tough prohibition law enacted by the Bihar government, saying it was being used to defame people.

He has been a critic of JD(U) chief Kumar who continues to be distrusted by a strong section of RJD leaders. Shahabuddin, a gangster-turned-politician, had yesterday called Kumar a "chief minister of circumstances", soon after he was released on bail after spending many years behind bars.