| Due Date |
Due Date Details |
| 30-09-2025 | Due date for filing of audit report under section 44AB for the assessment year 2025-26 in the case of a corporate-assessee or non-corporate assessee (who is required to submit his/its return of income on October 31, 2025) |
| 30-09-2025 | DIR-3 KYC - Every individual who holds DIN as on 31st March 2025 and who has not filed DIR 3 KYC form previously or there is any change wrt KYC details along with email id and mobile number. DIR-3 KYC Web - Every individual who has previously filed form DIR-3 KYC and there is no change wrt KYC details and email id and mobile number. |
| 30-09-2025 | Due date for furnishing of challan-cum-statement in respect of tax deducted under section 194-IA, 194-IB, 194M, 194S in the month of August, 2025 |
| 30-09-2025 | Application in Form 9A for exercising the option available under Explanation to section 11(1) to apply income of previous year in the next year or in future (if the assessee is required to submit return of income on November 30, 2025). |
| 30-09-2025 | Statement in Form no. 10 to be furnished to accumulate income for future application under section 10(21) or section 11(1) (if the assessee is required to submit return of income on November 30, 2025). |
| 30-09-2025 | Audit report under clause (b) of the tenth proviso to clause (23C) of section 10 and sub-clause (ii) of clause (b) of subsection (1) of section 12A of the Income-tax Act, 1961, in the case of a fund or trust or institution or any university or other educational institution or any hospital or other medical institution. (if due date of submission of return of income is October 31, 2025) |
| 30-09-2025 | Durga Ashtami |
| 30-09-2025 | The due date of conducting AGM is on or before the 30th September, 25 following the end of financial year. |
| 27-09-2025 | Form AOC 4 for OPC needs to be filed with relevant ROC within 180 days of the closure of a particular financial year. |
| 25-09-2025 | PMT-06 is a challan used for making payment of tax, interest, late fee and penalty under the GST law by taxpayers who have opted for the quarterly filing of GSTR-3B under the QRMP scheme |
| 22-09-2025 | Navratri |
| 20-09-2025 | Summary of outward taxable supplies and tax payable by a person supplying OIDAR services |
| 20-09-2025 | Summary of outward supplies, ITC claimed, and net tax payable for taxpayers with turnover more than Rs.5 crore in the last FY or have not chosen the QRMP scheme for the quarter of Jul - Sep, 25 |
| 17-09-2025 | Vishwakarma Puja |
| 16-09-2025 | Return of income for the Assessment Year 2025-26 for all assessee other than (a) corporate assessee or (b) non-corporate assessee (whose books of account are required to be audited) or (c) working partner of a firm whose accounts are required to be audited or the spouse of such partner if the provisions of section 5A applies to such spouse or (d) an assessee who is required to furnish a report under section 92E. - Extended to 15-09-25 vai Circular No. 06/2025 Dated 27-05-25. Press release dated 15 Sep, 2025 - Extended by 1 day i.e 16-09-2025 |
| 15-09-2025 | Return of income for the Assessment Year 2025-26 for all assessee other than (a) corporate assessee or (b) non-corporate assessee (whose books of account are required to be audited) or (c) working partner of a firm whose accounts are required to be audited or the spouse of such partner if the provisions of section 5A applies to such spouse or (d) an assessee who is required to furnish a report under section 92E. - Extended to 15-09-25 vai Circular No. 06/2025 Dated 27-05-25 |
| 15-09-2025 | Due date for furnishing of Form 24G by an office of the Government where TDS/TCS for the month of August, 2025 has been paid without the production of a challan |
| 15-09-2025 | Due date for furnishing statement in Form no. 3BB by a stock exchange in respect of transactions in which client codes been modified after registering in the system for the month of August, 2025 |
| 15-09-2025 | Second instalment of advance tax for the assessment year 2025-26 |
| 15-09-2025 | PF deducted from the Employees salary in the month of Aug, 25, needs to be paid on or before 15th of Sep, 2025
The payment of ESIC is made by every employer to the ESIC department on a monthly basis. The due date for ESIC is 15th Sep, 2025 |
| 15-09-2025 | Engineers Day |
| 14-09-2025 | Due date for issue of TDS Certificate for tax deducted under section 194-IA, 194-IB, 194M, 194S in the month of July, 2025 |
| 14-09-2025 | Hindi Diwas |
| 13-09-2025 | GSTR 6 is a monthly return for Input Service Distributors (ISD) to provide the details of their inward supplies & distributed Input Tax Credit (ITC). |
| 13-09-2025 | Invoice Furnishing is an optional facility which enables the small registered person, furnishing the quarterly Form GSTR-1, to file their invoice details on monthly basis. |
| 13-09-2025 | Summary of outward taxable supplies and tax payable by a
non-resident taxable person |
| 11-09-2025 | Summary of outward supplies where turnover exceeds Rs.5 crore or have not chosen the QRMP scheme for the quarter of Jul - Sep, 25 |
| 10-09-2025 | Summary of Tax Deducted at Source (TDS) and deposited under GST
laws for the month of August, 2025 |
| 10-09-2025 | Summary of Tax Collected at Source (TCS) and deposited by e-commerce operators under GST laws for the month of August, 2025 |
| 07-09-2025 | Due date for deposit of Tax deducted/collected for the month of August, 2025. However, all sum deducted/collected by an office of the government shall be paid to the credit of the Central Government on the same day where tax is paid without production of an Income-tax Challan |
| 06-09-2025 | Ganesh Visarjan |
| 06-09-2025 | Anant Chaturdashi |
| 05-09-2025 | Onam |
| 05-09-2025 | Teachers Day |
| 05-09-2025 | Eid Milad-Un-Nabi |
