(1) Every employer shall maintain a register in 4 [Form 6] in respect of every employee of his factory or establishment.
(1) (a) Register of employees engaged by immediate employer. — Every immediate employer shall maintain a register in Form 6 in respect of every employee engaged by him and submit the same to the principal employer before the settlement of any amount payable under sub-section (1) of section 41 of the Act.
(2) Every employer shall preserve every register maintained under this regulation after it is filled, for a period of five years from the date of last entry therein.
(3) The employer shall give a reasonable opportunity to any of his employees, if he so desires to see entries in respect of such employee in this register once a month.