You may direct the contractor to comply with the requirement of Form T under the Tamil Nadu Shops and Establishment Act, 1947. I have extracted a copy from the internet; you may also verify it.
FORM - T WAGE SLIP / LEAVE CARD
[See sub-rule (6) of Rule 11] THE TAMIL NADU SHOPS AND ESTABLISHMENT ACT, 1947 AND RULES, 1948
1. Name and address of the Establishment
2. Name of the Person Employed
3. Father's or Husband's Name
4. Designation
5. Date of Entry into Service
6. Wage Period From To
7. Wage Earned Deductions
(a) Basic (i) Employees' Provident Fund
(b) Dearness Allowance (ii) Employees' State Insurance
(c) House Rent Allowance (iii) Other Deductions
(d) Overtime Wages
(e) Leave Wages
(f) Other Allowances
(g) Gross Wages Net Amount Paid
8. Leave Availed during the month CL SL EL M
9. Leave at Credit CL SL EL M
Signature of the Employer / Manager / or any other Authorised Person
Signature or Thumb impression of the Person Employed