Employer :

“Employer” means:

(i) in relation to an industry carried on by or under the authority of any department of the Central Government or a State Government, the authority prescribed in this behalf, or where no authority is prescribed, the head of the department;

(ii) in relation to an industry carried on by or on behalf of a local authority, the chief executive officer of that authority. [Section 2(g)]

“Employer includes among others an agent of an employer, general manager, director, occupier of factory etc.