Direct Tax
Indirect Tax

7 May 2026

  • Due date for deposit of Tax deducted/collected for the month of April, 2026. 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 a challan.
  • Declaration under section 394(2) of the IncomeTax Act 2025 to be made by a buyer for obtaining goods without collection of tax in the month of April, 2026.

10 May 2026

  • GSTR-7 for the month of April 2026 to be filed by persons liable to Tax Deduction at Source (TDS).
  • GSTR-8 for the month of April 2026 to be filed by E-Commerce Operators liable to Tax Collection at Source (TCS).

11 May 2026

  • GSTR-1 for the month of April 2026 to be filed by all registered taxpayers not under QRMP scheme.

13 May 2026

  • GSTR-6 for the month of April 2026 to be filed by Input Service Distributors (ISDs).
  • GSTR-5 for the month of April 2026 to be filed by Non-Resident Foreign Taxpayers.
  • Uploading B2B invoices using Invoice Furnishing Facility (IFF) under QRMP scheme for the month of April 2026 by taxpayers with aggregate turnover of up to INR 50 million.

15 May 2026

  • Due date for issue of TDS Certificate for tax deducted under section 194-IA, 194-IB, 194M and (IncomeTax Act, 1961) in the month of March, 2026.
  • Due date for furnishing of Form 137 (IncomeTax Rules, 2026) by an office of the Government where TDS/TCS for the month of April, 2026 has been paid without the production of a challan.
  • Monthly statement in prescribed Form by stock exchange in respect of transactions in which client codes been modified after registering in system for the month of April, 2026.
  • Quarterly statement of TCS deposited for the quarter ending March 31, 2026.
  • Due date for furnishing statement by a recognized association in respect of transactions in which client codes have been modified after registering in the system for the month of April, 2026.

20 May 2026

  • GSTR-5A for the month of April 2026 to be filed by non-resident Online Database Access and Retrieval (OIDAR) service providers.
  • GSTR-3B for the month of April 2026 to be filed by all registered taxpayers not under QRMP scheme.

30 May 2026

  • Issue of TCS certificates for the 4th Quarter of the Financial Year 2025-26.
  • Furnishing of statement required under Section 285B (IncomeTax Act 1961) for the previous year 2025-26.
  • Challan-cum-statement of deduction of tax under section 393(1) of the IncomeTax Act 2025 [Table Sl. No. 2(i), 3(i), 6(ii) & 8(vi) in the month of April, 2026.

31 May 2026

  • Return of tax deduction from contributions paid by the trustees of an approved superannuation fund.
  • Due date for e-filing of annual statement of reportable accounts as required to be furnished under section 285BA(1)(k) (IncomeTax Act, 1961) (in Form No. 61B) for calendar year 2025 by reporting financial institutions.
  • Application for allotment of PAN where a person’s total income exceeds the maximum amount not chargeable to IncomeTax during any Financial Year and no PAN has been allotted to him.
  • Application for allotment of PAN in case of person being managing director, director, partner, trustee, author, founder, karta, chief executive officer, principal officer or office bearer of the person referred to in prescribed Rule or any person competent.
  • Quarterly statement of TDS deposited for the quarter ending March 31, 2026.
  • Due date for furnishing of statement of financial transaction (in Form No. 61A) as required to be furnished under sub-section (1) of section 285BA (Income-Tax Act, 1961) with respect to the financial year 2025-26.
  • Statement in Form no. 10 (Income-Tax Rules, 1962) to be furnished to accumulate income for future application under Section 10(21) or Section 11(1) (Income-Tax Act 1961) (if the assessee is required to submit return of income on or before July 31, 2026).
  • Application in Form 9A (Income-Tax Rules, 1962) for exercising the option available under Explanation to Section 11(1) (IncomeTax Act 1961) to apply income of previous year in the next year or in future (if the assessee is required to submit return of income on or before July 31, 2026).
  • Statement of donation in Form 10BD (IncomeTax Rules, 1962) to be furnished by reporting person under Section 80G(5)(iii) or section Section 35(1A)(i) (IncomeTax Act 1961) in respect of the financial year 2025-26.
  • Certificate of donation in Form no. 10BE (IncomeTax Rules, 1962) as referred to in Section 80G(5)(ix) or Section 35(1A)(ii) (Income-Tax Act 1961) to the donor specifying the amount of donation received during the financial year 2025-26.

7 June 2026

  • Due date for deposit of Tax deducted/collected for the month of May, 2026. 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 IncomeTax Challan.
  • Declaration under section 394(2) of the IncomeTax Act 2025 to be made by a buyer for obtaining goods without collection of tax in the month of May, 2026.

10 June 2026

  • GSTR-7 for the month of May 2026 to be filed by persons liable to TDS.
  • GSTR-8 for the month of May 2026 to be filed by E-Commerce Operators liable to TCS.

11 June 2026

  • GSTR-1 for the month of May 2026 to be filed by all registered taxpayers not under QRMP scheme.

13 June 2026

  • GSTR-6 for the month of May 2026 to be filed by Input Service Distributors (ISDs).
  • GSTR-5 for the month of May 2026 to be filed by Non-Resident Foreign Taxpayers.
  • Uploading B2B invoices using Invoice Furnishing Facility (IFF) under QRMP scheme for the month of May 2026 by taxpayers with aggregate turnover of up to INR 50 million.

20 June 2026

  • GSTR-5A for the month of May 2026 to be filed by non-resident Online Database Access and Retrieval (OIDAR) service providers.
  • GSTR-3B for the month of May 2026 to be filed by all registered taxpayers not under QRMP scheme.