Explanation:

Section 25-G incorporates the well recognised principle of retrenchment in industrial law, namely, the “last come first go” or “first come last go.” The Section becomes applicable only if all the conditions laid down herein are fully and cumulatively satisfied they are:-
(i) The person claiming protection should be a workman as defined in section 2(s);
(ii) He should be a citizen of India;
(iii) The “industrial establishment” employing such workman must be an “industy” under sec 2(j)
(iv) He should belong to a particular category of workmen in that establishment; and
(v) There should not be an agreement between the employer and the workman contrary to the procedure of “last come first go.