| Date | Description |
| 05-Sept | Payment of Service Tax collected in the Month of August |
| 05-Sept | Payment of Excise duty collected in the Month of August |
| 05-Sept | Service Tax Payment by Companies for August |
| 07-Sept | Deposit of TDS / TCS collected in the Month of August |
| 07-Sept | TDS Payment for August |
| 08-Sept | Due Date for E-Return Filling of VAT of June if Tax is above Rs. 5000 |
| 10-Sept | Filing of Excise Return for the Month of August |
| 13-Sept | Due Date for E-Return Filling of VAT for April to June |
| 15-Sept | 1st Installment of Advance Tax for the A.Y. 2012-13 |
| 15-Sept | 2nd Installment of Advance Tax for the A.Y. 2012-13 |
| 15-Sept | Deposit of EPF deducted in the Month of August |
| 15-Sept | Deposit of Profession Tax deducted in the Month of August |
| 15-Sept | P.F. Payment for August |
| 15-Sept | Advance Income Tax - All Assessees |
| 21-Sept | ESIC - Payments for the Month of August |
| 21-Sept | E.S.I.C. Payment for August |
| 22-Sept | Deposit of VAT collected in the Month of August |
| 22-Sept | Due Date for Payment of VAT for August |
| 25-Sept | Filing of PF Return for the Month of August |
| 29-Sept | Filing of VAT Return for the Month of July |
| 29-Sept | Due Date for E-Return Filling of VAT of July if Tax is below Rs. 5000 |
| 30-Sept | Filing of Income Tax Return for the Assessment Year 2011-12 |
| 30-Sept | Return of Income and Wealth of Companies and others covered under Audit |
| 30-Sept | Due Date for Manual Filling of VAT Return for August |
