| Fiscal | Monthly payment of TDS deducted | Monthly | 7-Oct-25 |
| Fiscal | Monthly payment of TCS Collected | Monthly | 7-Oct-25 |
| GST | Monthly filing of GSTR-7 return | Monthly | 10-Oct-25 |
| GST | Monthly filing of GSTR-8 return | Monthly | 10-Oct-25 |
| GST | Furnishing of GSTR-1 Monthly/ turnover exceeding INR 5 cr | Monthly | 11-Oct-25 |
| GST | Furnishing of GSTR-1 Quarterly as per QRMP | Quarterly | 13-Oct-25 |
| GST | Filing of Invoice Furnishing Facility (IFF) | Monthly | 13-Oct-25 |
| GST | Monthly filing of GSTR-5/5A return | Monthly | 13-Oct-25 |
| GST | Monthly filing of GSTR-6 return | Monthly | 13-Oct-25 |
| Corporate | Filing of Form ADT – 1 for Auditor or Auditors’ Firm appointed during AGM | Yearly | 14-Oct-25 |
| Fiscal | Furnish quarterly statements of Tax Collected at Source (TCS) | Quarterly | 15-Oct-25 |
| Corporate | Indian Depository Receipt holding pattern & Shareholding details – Applicable to Listed Companies | Quarterly | 15-Oct-25 |
| Labour | Monthly returns if International Workers are employed | Monthly | 15-Oct-25 |
| Labour | Send “Nil” Return on a monthly basis to the Commissioner – Applicable to an employer if no international worker has qualified to become a member for the first time or left service during the preceding month | Monthly | 15-Oct-25 |
| Labour | Send a “Nil” Return on a monthly basis to the Commissioner – Applicable to employers who have not engaged international workers | Monthly | 15-Oct-25 |
| Labour | Deduct and deposit prescribed amount as provident fund from salary within 15 days of close of every month | Monthly | 15-Oct-25 |
| Labour | Deduction and deposit of contributions | Monthly | 15-Oct-25 |
| GST | Furnishing of GSTR-3B monthly/ turnover exceeding INR 5 cr | Monthly | 20-Oct-25 |
| Corporate | Corporate Governance Report – Applicable to Listed Companies | Quarterly | 21-Oct-25 |
| Corporate | Submit quarterly Compliance report on corporate governance | Quarterly | 21-Oct-25 |
| Corporate | Submit Half-yearly Statement to the recognized Stock Exchange and the Depository – Applicable to an Issuer | Half-Yearly | 21-Oct-25 |
| Corporate | Statement of Grievance Redressal Mechanism – Applicable to Listed Companies | Quarterly | 21-Oct-25 |
| Corporate | Declaration of Shareholding Pattern – Applicable to Listed Companies | Quarterly | 21-Oct-25 |
| Corporate | File quarterly statement with details on Investor Complaints / Grievances – Applicable to a Listed Entity | Quarterly | 21-Oct-25 |
| Corporate | Submit Quarterly Compliance Test Report to SEBI – Applicable to Asset management Companies | Quarterly | 21-Oct-25 |
| GST | Furnishing of half yearly ITC-04 statement | Half Yearly | 25-Oct-25 |
| Corporate | File financial statements including Consolidated Financial Statement adopted at the Annual General Meeting with the Registrar within 30 days of the AGM -Applicable to all companies | Yearly | 29-Oct-25 |
| Fiscal | Issuance of TCS Certificate in Form 27D | Quarterly | 30-Oct-25 |
| Corporate | Certificate from Practicing Company Secretary (PCS) – Applicable to Listed Companies | Half-Yearly | 30-Oct-25 |
| Corporate | Transfer or transmission or transposition of securities – Applicable to Listed Companies | Half-Yearly | 30-Oct-25 |
| Corporate | Reconciliation of Share Capital Audit – Appilcable to Listed Companies | Quarterly | 30-Oct-25 |
| Corporate | File Statement of Account and Solvency with the Registrar- Applicable to a Limited Liability Partnership | Yearly | 30-Oct-25 |
| Labour | Employer to furnish information and returns in Form ER – I | Quarterly | 30-Oct-25 |
| Fiscal | Furnish quarterly statements of Tax Deducted at Source (TDS) | Quarterly | 31-Oct-25 |
| Fiscal | Annual return of income for the Assessment Year 2025-26 if the assessee (not having any international or specified domestic transaction) is (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) | Yearly | 31-Oct-25 |
| Fiscal | Audit report under section 44AB for the assessment year 2025-26 in the case of an assessee who is also required to submit a report pertaining to international or specified domestic transactions under section 92E | Yearly | 31-Oct-25 |
| Fiscal | Furnishing of Form 3CEB in respect of the international transactions and specified domestic transactions | Yearly | 31-Oct-25 |
| Corporate | Submit half-yearly return (April – September) for payments due to Micro or Small Enterprises – Applicable to Specified Companies | Half-Yearly | 31-Oct-25 |
| Corporate | Online submission of Risk Assessment Template through web-CDAS-Applicable to Depository Participant | Half-Yearly | 31-Oct-25 |
| EHS | File Quarterly Return through the online portal – Applicable to a Producer | Quarterly | 31-Oct-25 |