| 07.04.2023 | FEMA | ECB-2 return for the month of Mar-23. |
| 07.04.2023 | IT | TDS payment for the month of Mar-23 (Government deductors only). |
| 07.04.2023 | IT | TCS payment for the month of Mar-23 |
| 10.04.2023 | GST | GSTR-7 (GST TDS) for the month of Mar-23. |
| 10.04.2023 | GST | GSTR-8 (GST TCS) for the month of Mar-23. |
| 11.04.2023 | GST | GSTR-1 for the month of Mar-23 (Other than QRMP scheme). |
| 13.04.2023 | GST | GSTR-1 for Q3 (Jan-23 to Mar-23) (QRMP scheme). |
| 13.04.2023 | GST | GSTR-6 (Return for Input Service Distributor) for the month of Mar-23. |
| 15.04.2023 | IT | Quarterly statement in respect of foreign remittances in Form 15CC (to be furnished by authorized dealers). |
| 15.04.2023 | PF | PF payment for the month of Mar’23. |
| 15.04.2023 | PF | PF – ECR Filing for the month of Mar’23. |
| 15.04.2023 | ESI | ESIC payment for the month of Mar’23. |
| 18.04.2023 | ESI | GSTR-CMP-08 for Q3 (Jan-23 to Mar-23) (Composition Scheme Dealers). |
| 20.04.2023 | GST | GSTR-3B for the month of Mar-23. (Other than QRMP scheme). |
| 20.04.2023 | GST | GSTR-5 (Non-Resident Taxable Person) for the month of Mar-23. |
| 20.04.2023 | GST | GSTR-5A (OIDAR Services) for the month of Mar-23. |
| 22.04.2023 | GST | GSTR-3B for Q3 (Jan-23 to Mar-23). (QRMP scheme). |
| 24.04.2023 | GST | GSTR-3B for Q3 (Jan-23 to Mar-23). (QRMP scheme). |
| 25.04.2023 | GST | ITC – 04 for II half year (Oct’22 – Mar’23) in respect of goods sent to/ received from a job-worker. |
| 30.04.2023 | IT | Uploading declarations received in Form 15G/H for Jan-23 – Mar-23. |
| 30.04.2023 | IT | Due date for furnishing of challan-cum-statement for TDS u/s 194-IA, IB, M deducted in Mar-23. |
| 30.04.2023 | IT | TDS payment for the month of Mar-23 (other than Government deductors) |
| 30.04.2023 | IT | Due date for e-filing of a declaration in Form No. 61 containing particulars of Form No. 60 received during the period October 1, 2022 to March 31, 2023 |
| 30.04.2023 | ROC | Form MSME-1 for the period Oct-22 to Mar-23 for companies having outstanding balances to MSME’s exceeding 45 days. |
| 30.04.2023 | GST | Annual Return for FY 2022-23 under composition scheme – GSTR-4. |
| 30.04.2023 | GST | To opt out or in from QRMP for the period Apr-23 – Jun-23. |
