| 07/12/2025 | Income Tax | Challan No. ITNS-281 | "Payment of TDS/TCS of November. In case of government offices where TDS/TCS is paid by book entry, same shall be paid on the same day on which tax is deducted or collected. " |
| 07/12/2025 | FEMA | ECB-2 | Return of External Commercial Borrowings for November. |
| 07/12/2025 | Income Tax | Form 27C | Seller to upload declarations received in November, from buyers for non-deduction of TCS. |
| 10/12/2025 | Income Tax | 10-IC | Online Application by Domestic Co. (other than to whom transfer pricing provisions are applicable) for exercise of option u/s 115BAA (22% tax) |
| 10/12/2025 | Income Tax | 10-ID | Online Application by new Manufacturing Domestic Co. (other than to whom transfer pricing provisions are applicable) filing ITR for first time, for exercise of option u/s 115BAB (15% tax). |
| 10/12/2025 | Income Tax | 10-IE | Online Application by Individual/HUF carrying business / profession, for exercise of option u/s 115BAC(1), where due date of ITR is 31 Oct. |
| 10/12/2025 | Income Tax | 10-IF | Online Application by resident co-operative society, for exercise of option u/s 115BAD(1) where due date of ITR is 31 Oct. |
| 10/12/2025 | Goods and Services Tax | GSTR-7 | Monthly Return by Tax Deductors for November. |
| 10/12/2025 | Goods and Services Tax | GSTR-8 | Monthly Return by e-commerce operators for November. |
| 10/12/2025 | Income Tax | ITR 1 to 7 | Filing of Income Tax returns by Cos, Partnership firms etc. (Audit applicable) |
| 11/12/2025 | Goods and Services Tax | GSTR-1 | Monthly Return of Outward Supplies for November. |
| 13/12/2025 | Goods and Services Tax | IFF | Optional Upload of B2B invoices, Dr/Cr notes for November under QRMP scheme. |
| 13/12/2025 | Goods and Services Tax | GSTR-5 | Monthly Return by Non-resident taxable person for November. |
| 13/12/2025 | Goods and Services Tax | GSTR-6 | Monthly Return of Input Service Distributor for November. |
| 15/12/2025 | Income Tax | Form 16B | Issue of TDS Certificate u/s 194-IA for TDS deducted on Purchase of Property in October. |
| 15/12/2025 | Income Tax | Form 16C | Issue of TDS Certificate for tax deducted on rent above 50,000 pm by certain individuals/HUF under Section 194-IB where lease has terminated in October. |
| 15/12/2025 | Income Tax | Form 16D | Issue of TDS Certificate for tax deducted u/s 194M on certain payments by individual/HUF in October. |
| 15/12/2025 | Income Tax | Form 16E | Issue of TDS Certificate for tax deducted u/s 194S on Virtual Digital Assets in October. |
| 15/12/2025 | Provident Fund | Electronic Challan cum Return (ECR) | E-Payment of PF for November. |
| 15/12/2025 | ESI | ESI Challan | Payment of ESI for November |
| 15/12/2025 | Income Tax | Challan No.280 | Deposit of Third Instalment of Advance Tax (75%) by all assessees (other than 44AD & 44ADA cases). |
| 15/12/2025 | Income Tax | Form 24G | Details of Deposit of TDS/TCS of November by book entry by an office of the Government. |
| 15/12/2025 | Income Tax | 10-IC, 10-ID, 10-IE, 10-IF | Online Application for alternative tax regime in transfer pricing cases. |
| 15/12/2025 | Income Tax | ITR 3, 5, 6 | Filing of Income Tax Return where Transfer Pricing applicable. |