Tax deadlines

Indian tax deadlines 2031

When your income tax return and GST returns are due — the statutory dates for taxpayers filing on their own.

Calendar year the deadline falls in

January 2031

Due on	Filing	Period	Applies to	Deadline
January 13, 2031	GSTR-1	December 2030	Freelancer, Startup / SMB, and Enterprise	in 1539 days
January 20, 2031	GSTR-3B	December 2030	Freelancer, Startup / SMB, and Enterprise	in 1546 days

February 2031

Due on	Filing	Period	Applies to	Deadline
February 11, 2031	GSTR-1	January 2031	Freelancer, Startup / SMB, and Enterprise	in 1568 days
February 20, 2031	GSTR-3B	January 2031	Freelancer, Startup / SMB, and Enterprise	in 1577 days

March 2031

Due on	Filing	Period	Applies to	Deadline
March 11, 2031	GSTR-1	February 2031	Freelancer, Startup / SMB, and Enterprise	in 1596 days
March 20, 2031	GSTR-3B	February 2031	Freelancer, Startup / SMB, and Enterprise	in 1605 days

April 2031

Due on	Filing	Period	Applies to	Deadline
April 11, 2031	GSTR-1	March 2031	Freelancer, Startup / SMB, and Enterprise	in 1627 days
April 21, 2031	GSTR-3B	March 2031	Freelancer, Startup / SMB, and Enterprise	in 1637 days

May 2031

Due on	Filing	Period	Applies to	Deadline
May 12, 2031	GSTR-1	April 2031	Freelancer, Startup / SMB, and Enterprise	in 1658 days
May 20, 2031	GSTR-3B	April 2031	Freelancer, Startup / SMB, and Enterprise	in 1666 days

June 2031

Due on	Filing	Period	Applies to	Deadline
June 11, 2031	GSTR-1	May 2031	Freelancer, Startup / SMB, and Enterprise	in 1688 days
June 20, 2031	GSTR-3B	May 2031	Freelancer, Startup / SMB, and Enterprise	in 1697 days

July 2031

Due on	Filing	Period	Applies to	Deadline
July 11, 2031	GSTR-1	June 2031	Freelancer, Startup / SMB, and Enterprise	in 1718 days
July 21, 2031	GSTR-3B	June 2031	Freelancer, Startup / SMB, and Enterprise	in 1728 days
July 31, 2031	Income Tax Return (non-audit) *	2030-31	Individual, International, and Freelancer	in 1738 days

August 2031

Due on	Filing	Period	Applies to	Deadline
August 11, 2031	GSTR-1	July 2031	Freelancer, Startup / SMB, and Enterprise	in 1749 days
August 20, 2031	GSTR-3B	July 2031	Freelancer, Startup / SMB, and Enterprise	in 1758 days

September 2031

Due on	Filing	Period	Applies to	Deadline
September 11, 2031	GSTR-1	August 2031	Freelancer, Startup / SMB, and Enterprise	in 1780 days
September 22, 2031	GSTR-3B	August 2031	Freelancer, Startup / SMB, and Enterprise	in 1791 days

October 2031

Due on	Filing	Period	Applies to	Deadline
October 13, 2031	GSTR-1	September 2031	Freelancer, Startup / SMB, and Enterprise	in 1812 days
October 20, 2031	GSTR-3B	September 2031	Freelancer, Startup / SMB, and Enterprise	in 1819 days

November 2031

Due on	Filing	Period	Applies to	Deadline
November 11, 2031	GSTR-1	October 2031	Freelancer, Startup / SMB, and Enterprise	in 1841 days
November 20, 2031	GSTR-3B	October 2031	Freelancer, Startup / SMB, and Enterprise	in 1850 days

December 2031

Due on	Filing	Period	Applies to	Deadline
December 11, 2031	GSTR-1	November 2031	Freelancer, Startup / SMB, and Enterprise	in 1871 days
December 22, 2031	GSTR-3B	November 2031	Freelancer, Startup / SMB, and Enterprise	in 1882 days

About these dates

For these returns the deadline depends on the case. A non-audit return is due 31 July; where a tax audit under s.44AB is required, the return is due later. Every other date in the table is the same either way.
A date falling on a Sunday or a public holiday moves to the next working day (s.10, General Clauses Act).
Where the CBDT extended a date by circular, the original stands beside it, struck through. The info marker names the circular.
State holidays are not taken into account, and the CBDT extends these dates by circular in most years — check the current circular before relying on a date.

This overview is not tax advice. For your own case, please confirm the dates with a chartered accountant or on the Income Tax Department's e-filing portal.

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