Patna based JDU leaders said that the name of party general secretary Sanjay Jha was also being floated by a section of leaders.
JMB has close contacts with Pakistan and gets its funding from that country and from the Gulf.
Ajit Jogi, who formed his own party in June last year, has announced a list of 22 candidates for next year’s elections in this BJP-ruled state.
A channel on the popular instant messaging application, Telegram, has been sharing images of Najeeb and his mother.
Agencies have warned security forces of attacks on critical infrastructure.