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Event DateActApplicable FormObligation
01/01/2026 - - Mandatory Peer Review for CA firms for branch audit of public sector banks & for firms with 3 or more partners providing attestation services.
07/01/2026 Income Tax Challan No. ITNS-281 "Payment of TDS/TCS of December. 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. "
07/01/2026 Income Tax Form 27C Seller to upload declarations received in December, from buyers for non-deduction of TCS.
07/01/2026 FEMA ECB-2 Return of External Commercial Borrowings for December.
10/01/2026 Goods and Services Tax GSTR-7 Monthly Return by Tax Deductors for December.
10/01/2026 Goods and Services Tax GSTR-8 Monthly Return by e-commerce operators for December.
11/01/2026 Goods and Services Tax GSTR-1 "Monthly Return of Outward Supplies for December. "
13/01/2026 Goods and Services Tax GSTR-6 Monthly Return of Input Service Distributor for December.
13/01/2026 Goods and Services Tax GSTR-5 Monthly Return by Non-resident taxable person for December.
13/01/2026 Goods and Services Tax GSTR-1 Quarterly return of Outward Supplies for October-December. (QRMP)
14/01/2026 Income Tax Form 16B Issue of TDS Certificate u/s 194-IA for TDS deducted on Purchase of Property in November.
14/01/2026 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 November.
14/01/2026 Income Tax Form 16D Issue of TDS Certificate for tax deducted u/s 194M on certain payments by individual/HUF in November.
14/01/2026 Income Tax Form 16E Issue of TDS Certificate for tax deducted u/s 194S on Virtual Digital Assets in November.
15/01/2026 Income Tax Form 15CC Statement of Foreign Remittances by Authorized Dealers for December quarter.
15/01/2026 Income Tax Online form Uploading declarations received in Form 15G/15H for December quarter.
15/01/2026 Delhi Labour Welfare Fund Form A Contribution from Jul-Dec. Amount = No of employee as on 31 Dec X Rs 3
15/01/2026 Income Tax Form 27EQ TCS Statements for December quarter.
15/01/2026 ESI ESI Challan ESI payment for December.
15/01/2026 Provident Fund Electronic Challan cum Return (ECR) E-Payment of PF for December.
15/01/2026 Income Tax Form 24G Details of Deposit of TDS/TCS of December by book entry by an office of the Government.
18/01/2026 Goods and Services Tax CMP-08 Payment of tax by Composition taxpayers for December quarter.
20/01/2026 Goods and Services Tax GSTR-5A Monthly Return by persons outside India providing online information and data base access or retrieval services, for December. Also to be filed by every registered person providing online money gaming from a place outside India to a person in India.
20/01/2026 Goods and Services Tax GSTR-1A Add/amend particulars (other than GSTIN) in GSTR-1 of Dec. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B.
20/01/2026 Goods and Services Tax GSTR-3B Summary Return cum Payment of Tax for December by Monthly filers. (other than QRMP).
22/01/2026 Goods and Services Tax GSTR-1A Add/amend particulars (other than GSTIN) in GSTR-1 of Dec quarter by Quarterly filers in Chhattisgarh, Madhya Pradesh, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana, Andhra Pradesh, the Union territories of Daman and Diu and Dadra and Nagar Haveli, Puducherry, Andaman and Nicobar Islands or Lakshadweep. . It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B.
22/01/2026 Goods and Services Tax GSTR-1A Add/amend particulars (other than GSTIN) in GSTR-1 of Dec quarter by Quarterly filers in Chhattisgarh, Madhya Pradesh, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana, Andhra Pradesh, the Union territories of Daman and Diu and Dadra and Nagar Haveli, Puducherry, Andaman and Nicobar Islands or Lakshadweep. . It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B.
31/01/2026 Companies Act Form MGT 7A Annual Return by OPCs and Small Companies.
31/01/2026 Companies Act Form AOC-4/AOC-4 XBRL Filing of financial statements by Cos (Other than OPCs) for FY 2024-25 with the ROC. (30 days from AGM.)
31/01/2026 Companies Act CSR – 2 Filing a report on Corporate Social Responsibility by every company covered u/s 135 of the Companies Act, 2013.
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Note : Please note that this is not an exhaustive list of obligations under various laws. Important ones have been compiled to serve as a Ready Reckoner. Users are requested to reconfirm dates with authentic government sources in case of doubt & also keep track of changes, if any.We do not undertake any responsibility for inadvertant errors, omissions or subsequent changes, if any.