"Nitish Kumar is surrounded by sycophants and is rewarding new entrants in the party," Poonam said.
Rai said it was solely Nitish Kumar's decision to end alliance with the BJP last year that badly affected the party's performance in recently concluded Lok Sabha polls.
Ever since the chief minister expanded his cabinet, voices of dissent are giving sleepless nights to top leaders. Two JD-U legislators - Neeraj Kumar and Sanjay Singh - quit as party spokesperson to express their resentment.
On Thursday, the JD-U dissolved its state executive committee and office bearers with immediate effect.