| 07/11/2025 | Income Tax | Form 27C | Seller to upload declarations received in October, from buyers for non-deduction of TCS. |
| 07/11/2025 | FEMA | ECB-2 | Return of External Commercial Borrowings for October. |
| 07/11/2025 | Income Tax | Challan No. ITNS-281 | "Payment of TDS/TCS of October. 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. " |
| 10/11/2025 | Income Tax | Form 10BA | Furnishing declaration u/s 80GG in respect of the rent paid for residential accommodation (if the assessee is required to submit ITR by 31 Oct) |
| 10/11/2025 | Income Tax | Form 3CD, 3CA/3CB | Filing of Tax Audit Report where due date of ITR is 31 Oct. |
| 10/11/2025 | Income Tax | Form 29B, 29C | Filing of MAT/AMT Audit Report etc. where due date of ITR is 31 Oct. |
| 10/11/2025 | Income Tax | Form 10DA | Filing of Audit Report u/s 80JJAA(2) for additional employment where due date of ITR is 31 Oct. |
| 10/11/2025 | Income Tax | - | Filing of other Audit Reports , where due date of ITR is 31 Oct. |
| 10/11/2025 | Income Tax | 10B/10BB | Filing of Audit report by a fund or trust or institution or any university or other educational institution or any hospital or other medical institution? |
| 10/11/2025 | Goods and Services Tax | GSTR-7 | Monthly Return by Tax Deductors for October. |
| 10/11/2025 | Goods and Services Tax | GSTR-8 | Monthly Return by e-commerce operators for October. |
| 11/11/2025 | Goods and Services Tax | GSTR-1 | Monthly Return of Outward Supplies for October. |
| 13/11/2025 | Goods and Services Tax | IFF | Optional Upload of B2B invoices, Dr/Cr notes for October under QRMP scheme. |
| 13/11/2025 | Goods and Services Tax | GSTR-5 | Monthly Return by Non-resident taxable person for October. |
| 13/11/2025 | Goods and Services Tax | GSTR-6 | Monthly Return of Input Service Distributor for October. |
| 14/11/2025 | Income Tax | Form 16B | Issue of TDS Certificate u/s 194-IA for TDS deducted on Purchase of Property in September. |
| 14/11/2025 | 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 September. |
| 14/11/2025 | Income Tax | Form 16D | Issue of TDS Certificate for tax deducted u/s 194M on certain payments by individual/HUF in September. |
| 14/11/2025 | Income Tax | Form 16E | Issue of TDS Certificate for tax deducted u/s 194S on Virtual Digital Assets in September. |
| 15/11/2025 | Income Tax | Form 16A | Issue of TDS certificates for Q2 of FY 2025-26. |
| 15/11/2025 | Income Tax | Form 24G | Details of Deposit of TDS/TCS of October by book entry by an office of the Government. |
| 15/11/2025 | Provident Fund | Electronic Challan cum Return (ECR) | E-Payment of PF for October. |
| 15/11/2025 | ESI | ESI Challan | Payment of ESI for October |
| 20/11/2025 | Goods and Services Tax | GSTR-5A | Monthly Return by persons outside India providing online information and data base access or retrieval services, for October. Also to be filed by every registered person providing online money gaming from a place outside India to a person in India. |
| 20/11/2025 | Goods and Services Tax | GSTR-1A | Add/amend particulars (other than GSTIN) in GSTR-1 of October. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B. |
| 20/11/2025 | Goods and Services Tax | GSTR-3B | Summary Return cum Payment of Tax for October by Monthly filers (other than QRMP). Claim input tax credit (ITC) for FY 24-25 in GSTR-3B. Issue Credit/Debit notes for FY24-25 . Reversal of ITC of FY 24-25 where supplier had filed GSTR-1/IFF but not filed GSTR-3B till 30 Sep, 2025. |
| 25/11/2025 | Goods and Services Tax | PMT-06 | Deposit of GST under QRMP scheme for October . |