Will you please read Sec 2(oo) of the ID Act conjunctively with its Sec 25F? As I understand, retrenchment is the act of an employer terminating the services of an employee for any reason other than as a punishment by way of disciplinary action, subject to the conditions stipulated in Sec 25F. If you further analyze the four exceptional types of termination of employment of a workman occurring in clauses (a), (b), (bb), and (c) of Sec. 2(oo), you will find that the first one is purely on the volition of the workman, the second and the third as an automatic result of the contract of employment coming to an end, and the fourth one, of course, by the employer emanating from the impossibility of the continuation of employment as a result of continued ill-health of the employee. So, an employer can resort to retrenchment for whatever other reasons. However, if the conditions stipulated in Sec. 25F are not fulfilled, it will not be construed as 'retrenchment' and its legal consequences you know well. The retrenchment compensation provided for under cl (b) of Sec. 25F is independent of other terminal benefits the workman is entitled to at the time of his retrenchment. Hence, the entitlement of a retrenched employee to gratuity is to be decided only as per the provisions of the Payment of Gratuity Act, 1972, notwithstanding the hypothetical consideration, if any, that but for the retrenchment the employee would have been in service. I, therefore, think that the assertion of Nipuna is correct and self-explanatory too. Hope I've answered your second query also.