Section 26(1)(b) in The Employees' Provident Funds Scheme, 1952
(b)Every employee employed in or in connection with the work of a factory or other establishment to which this Scheme applies, other than an excluded employee, shall also be entitled and required to become a member of the fund from the day this paragraph comes into force in such factory or other establishment if on the date of such coming into force, such employee is a subscriber to a provident fund maintained in respect of the factory or other establishment or in respect of any other factory or establishment (to which the Act applies) under the same employer: