In the Industrial Dispute Act 1947, non-workman is defined as an employee who is mainly in managerial or administrative capacity, or who draws wages exceeding Rs 10,000 per month.
Besides, armed forces and police personnel have also been kept out of the workmen category as they are governed by different laws.
"The Ministry has contended that since aircraft engineers certify an aircraft, which is a supervisory role, and pilots' jobs are highly-paid ones, they should be removed from the workmen category," the Aviation Ministry sources said.
"The Labour Ministry had, however, turned down the proposal on certain grounds," the sources said.
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The Aviation Ministry has, however, this time made a strong pitch with fresh arguments to explain the rationale of its renewed proposal to the Labour Ministry, they said.
A Parliamentary panel had also, in 2009, suggested that the government lay down a list of "highly paid jobs" which are currently tagged as "workman".
"The Committee is of the view that it would be logical for the Government to keep the supervisory staff out of the workmen category irrespective of the wages they are drawing. It urges the Government that supervisory staff be clubbed with the managerial and administrative employees.