12.Section 2(s) contains an exhaustive definition of the term workman'. The definition takes within its ambit 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 and it is immaterial that the terms of employment are not reduced into writing. The definition also includes a person, who has been dismissed, discharged or retrenched in connection with an industrial dispute or as a consequence of such dispute or whose dismissal, discharge or retrenchment has led to that dispute. The last segment of the definition specifies certain exclusions. A person to whom the Air Force Act, 1950, or the Army Act, 1950, or the Navy Act, 1957, is applicable or who is employed in the police service as an officer or other employee of a prison or who is employed mainly in managerial or administrative capacity or who is employed in a supervisory capacity and is drawing specified wages per mensem or exercises mainly managerial functions does not fall within the definition of the term workman'.