Section 57 in West Bengal Shops and Establishments Rules, 1964
57. Saving of certain rights and privileges.
Nothing in these rules shall affect any right or privilege to which any person employed in any shop or establishment is, on the date of the commencement of these rules, entitled under any law for the time being in force or under any contract, custom or usage which is in force on that date, if such right or privilege is more favourable to him than any right or privilege conferred upon him by these rules or granted to him at the time of appointment.Form A(See Rule 3)Register of Shops and Establishments
