All employees employed,
directly by or through any
agency (including a
contractor) with or without
the knowledge of the principal employer, for remuneration in any factory or establishment
to do any work connected with its affairs. Each employee shall contribute to the Fund every month an amount equal to zero point two percent of his salary or wages or any remuneration subject to a limit of rupees thirty one and each employer in respect of
each such employee shall
contribute to the Fund every month, twice the amount contributed by such employee.