Why do you ask this is not understood? You need to understand as per the explanation of Mr Umakanthan. or
The Industrial Disputes Act, 1947 ("ID Act"), the courts have enlarged the scope and applicability of this Act by giving wide interpretation to the term "workman.
The" Section 2(s) defines workman as any person (including an apprentice) employed in any industry to do any manual, unskilled, skilled, technical, operational, clerical or supervisory work, for hire or reward, terms of employment be express or implied and includes any such person who has been dismissed, discharged or retrenched in connection with, or as a consequence of dispute. [It excludes persons employed in army/Navy/Air Force/Police and those employed in mainly managerial or administrative, supervisory capacity and drawing wages ............................].
The different different Courts have interpreted this definition and have identified various determining factors to know whether a person is "workman" or not. Over a period of time, courts have interpreted specific points of contention in the definition under the ID Act which has enlarged the scope of the legislation. There is Nothing clear it is vary from case to case and court to court...................even different orders of the Apex Court.