Employee :

“Employee” means any person (other than an apprentice) employed on a salary or wages not exceeding Rs. 21,000/- per mensem in any industry to do any skilled or unskilled, manual, supervisory, managerial, administrative, technical or clerical work of hire or reward, whether the terms of employment be express or implied. [Section 2(13)]

Part time permanent employees working on fixed hours are employees (1971 (22) FLR 98).