Section 25(2) in The Maharashtra Recognition of Trade Unions and Prevention of Unfair Labour Practices Act, 1971
(2)Where the employer of any undertaking has proposed a lock-out or has commenced a lock-out, the State Government or the recognised union or, where there is no recognised union, any other union of the employees in the undertaking may make a reference to the Labour Court for a declaration whether such lock-out will be illegal.Explanation. - For the purposes of this section, recognised union includes a representative union under the Bombay Act.