| State | Date | |
| Central Sphere | Oct-15 | Employees State Insurance Act, 1948 - Monthly ESIC Contribution Challan |
| Employees Provident Fund And Miscellaneous Provisions Act, 1952 - Monthly Returns For Reporting Details Of International Workers (Statement IW-1) | ||
| Employees Provident Fund And Miscellaneous Provisions Act, 1952 - Monthly Remittance Of PF Contribution (Challan) | ||
| Oct-25 | Employees Provident Fund And Miscellaneous Provisions Act, 1952 - Monthly Returns-For Exempted Employer Under EDLI Scheme (FORM 7(IF)) | |
| Oct-30 | Employment Exchanges (Compulsory Notification Of Vacancies) Act, 1959 - Quarterly Employment Exchange Return (FORM ER-I) | |
| Oct-31 | Employment Exchanges (Compulsory Notification Of Vacancies) Act, 1959 - Bi-annual Employment Exchange Return (FORM ER-II) | |
| Kerala | Oct-05 | The Kerala Shops And Commercial Establishments Workers Welfare Fund Act, 2006 - Monthly Contribution To The Fund (FORM 6) |
| Andhra Pradesh | Oct-10 | The Andhra Pradesh Tax On Professions, Trades, Callings And Employments Act, 1987 - Monthly PT Remittance And Filing Of Return (FORM V) |
| Gujarat | Oct-15 | The Gujarat Panchayats, Municipal Corporations And State Tax On Professions, Traders, Callings And Employments Act, 1976 - Monthly Returns (FORM 5) |
| Karnataka | Oct-20 | The Karnataka Tax On Professions, Trades, Callings And Employments Act, 1976 - Monthly PT Remittance And Filing Of Return (FORM 9-A; FORM 5-A) |
| West Bengal | Oct-21 | The West Bengal State Tax On Professions, Trades, Callings And Employments Act, 1979 - Payment Of Monthly PT (Online) |
| Maharashtra | Oct-31 | The Maharashtra State Tax On Professions, Trade, Callings And Employments Act, 1975 - Monthly PT Remittance And Filing Of Return (Online) st |