(a) "Appropriate Government" means (i) in relation to an establishment--
(a) belonging to, or under the control of, the Central Government,
(b) having branches in more than one State,
(c) of a factory belonging to, or under the control of, the Central Government,
(d) of a major port, mine, oilfield or railway company, the Central Government,
(ii) in any other case, the State Government. Section 2(a).
(b) "Completed year of service" means continuos service for one year. Section 2(b).
(c) "Continuos Service" means uninterrupted service and includes service which is interrupted by sickness, accident, leave, lay-off, strike or a lock-out or cessation of work not due to any fault of the employees concerned, whether such uninterrupted or interrupted service was rendered before or after the commencement of this Act.