| 07/03/2023 | Income Tax | Challan No. ITNS-281 | Payment of TDS/TCS deducted/collected in February. |
| 07/03/2023 | FEMA | ECB-2 | Monthly Return of External Commercial Borrowings for February. |
| 10/03/2023 | Goods and Services Tax | GSTR-7 | Monthly Return by Tax Deductors for February. |
| 10/03/2023 | Goods and Services Tax | GSTR-8 | Monthly Return by e-commerce operators for February. |
| 11/03/2023 | Goods and Services Tax | GSTR-1 | Monthly return of Outward Supplies for February. |
| 13/03/2023 | Goods and Services Tax | IFF | Optional Upload of B2B invoices, Dr/Cr notes for February under QRMP scheme. |
| 13/03/2023 | Goods and Services Tax | GSTR-5 | Monthly Return by Non-resident taxable person for February. |
| 13/03/2023 | Goods and Services Tax | GSTR-6 | Monthly Return of Input Service Distributor for February. |
| 15/03/2023 | ESI | ESI Challan | Payment of ESI for February (Register new employees in 10 days of joining) |
| 15/03/2023 | Providend Fund | Electronic Challan cum Return (ECR) | E-Payment of PF for February |
| 15/03/2023 | Income Tax | Challan No.280 | Payment of balance Advance Income Tax by ALL. |
| 15/03/2023 | Income Tax | Form 24G | Details of Deposit of TDS/TCS of February by book entry by an office of the Government. |
| 17/03/2023 | Income Tax | Form 16B | Issue of TDS Certificate u/s 194-IA for TDS deducted in January on Purchase of Property |
| 17/03/2023 | Income Tax | Form 16D | Issue of TDS Certificate for tax deducted u/s 194M on certain payments by individual/HUF in January |
| 17/03/2023 | Income Tax | Form 16E | Issue of TDS Certificate for tax deducted u/s 194S on Virtual Digital Assets in January. |
| 20/03/2023 | Goods and Services Tax | GSTR-3B | Summary Return cum Payment of Tax for Feb by monthly filers. |
| 20/03/2023 | Goods and Services Tax | GSTR-5A | Monthly Return by persons outside India providing online information and data base access or retrieval services, for February. |
| 25/03/2023 | Goods and Services Tax | PMT-06 | Deposit of GST of February under QRMP scheme. |
| 28/03/2023 | Goods and Services Tax | GSTR-11 | Return for February by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them. |
| 30/03/2023 | Income Tax | Form 26QB | Deposit of TDS on payment made for purchase of property in February |
| 30/03/2023 | Income Tax | Form 26QD | Deposit of TDS u/s 194M for February |
| 30/03/2023 | Income Tax | Form 26QE | Deposit of TDS on Virtual Digital Assets u/s 194S for February. |
| 31/03/2023 | - | - | Updation of Nomination details or express opting out in Demat/Trading/Mutual fund accounts to avoid deactivation. |
| 31/03/2023 | Companies Act | CSR-2 | Annual Report on Corporate Social Responsibility by Companies to whom CSR is applicable (as an addendum to applicable Form AOC-4 )for FY 21-22. |
| 31/03/2023 | Goods and Services Tax | GST CMP-02 | Opt for Composition schme for FY 2023-24. Existing ones are not required to apply again. |
| 31/03/2023 | Goods and Services Tax | GST RFD-11 | Online Application for Letter of Undertaking (LUT) for Exports & Supplies to SEZ without payment of tax in 2023-24. |
| 31/03/2023 | Income Tax | - | Payment of life insurance premium, deposit of PPF etc. for saving tax of FY 22-23. |
| 31/03/2023 | Income Tax | - | Linking of PAN with Aadhaar with late fee of Rs. 1000. |
| 31/03/2023 | Income Tax | Challan No.280 | Payment of balance Advance Income Tax by ALL to save interest u/s 234B. |
| 31/03/2023 | Income Tax | 10A | Application for registration/provisional registration, intimation, approval/provisional approval of Trusts etc required to be made upto 30.6.21. (extended to 25.11.22 in some cases) |
| 31/03/2023 | Income Tax | 10AB | Application for conversion of provisional registration to regular or renewal of registration /approval after 5 years of registration /approval of Trust, institution, etc. (which was due on or before 28 February, 2022). |