CPN-UML chairman Jhala Nath Khanal Friday instructed UML lawmakers to vote for six-state federal model if voting takes place in the Constituent Assembly (CA) meeting. In the meeting of parliamentary party held this afternoon, chairman Khanal also warned of disciplinary action against CA members if they breach the party line while voting. The UML has already decided to vote for for the six- province model proposed by the minority members of the State Restructuring Commission (SRC) if consensus is not forged.