The CLRA itself explains the 'contract labour'. Please see the definition according to the act:
"2. Definitions.-(1) In this Act, unless the context otherwise requires,- (a) 'appropriate Government' means,- (i) in relation to an establishment in respect of which the appropriate Government under the Industrial Disputes Act, 1947 (14 of 1947), is the Central Government; (ii) in relation to any other establishment, the Government of the State in which that other establishment is situated.
(b) A workman shall be deemed to be employed as "contract labour" in or in connection with the work of an establishment when he is hired in or in connection with such work by or through a contractor, with or without the knowledge of the principal employer.
(c) "Contractor", in relation to an establishment, means a person who undertakes to produce a given result for the establishment, other than a mere supply of goods or articles of manufacture to such establishment, through contract labour or who supplies contract labour for any work of the establishment and includes a sub-contractor; ............ Unquote:
Workers Employed To Perform Perennial/Permanent Nature Of Work Can't Be Treated As Contractual Workers
The Supreme Court allows regularization. Read the judgment here in these links:
1)
https://www.livelaw.in/supreme-court...ization-252130. (The Bench comprising Justices P.S. Narasimha and Sandeep Mehta opined that the permanent or perennial nature of...)
2) The Supreme Court, vide its judgment dated March 12, 2024, in the case of Mahanadi Coalfields Limited v. Brajrajnagar Coal Mines Workers' Union [Civil Appeal No(s). 4092-4093/2024], has held that the workers who are engaged in the performance of work which is perennial or permanent in nature would not be classified as contractual workers.
What's your doubt or what kind of info do you require, friend?