Section 2 (kkk) ID Act 1947: Definition of "Lay-off"
"Lay-off" (with its grammatical variations and cognate expressions) means the failure, refusal, or inability of an employer, on account of a shortage of coal, power, or raw materials, or the accumulation of stocks, or the breakdown of machinery [or natural calamity, or for any other connected reason], to give employment to a workman whose name is borne on the muster rolls of his industrial establishment and who has not been retrenched.
Refusal, failure, or inability on account of reasons as mentioned above is considered a lay-off. Lay-offs on account of reasons other than those given in the act would be illegal. In such a situation, it is a denial of employment that warrants full wages. For compensation, please refer to Chapter VA or VB as applicable.