What is the GSTR-3B due date in May 2027?

For monthly filers, GSTR-3B for Apr 2027 is due on 20 May 2027. QRMP taxpayers file quarterly, by the 22nd or 24th of the month after the quarter depending on their state.

What is the GSTR-1 due date in May 2027?

For monthly filers, GSTR-1 for Apr 2027 is due on 11 May 2027.

When is TDS to be deposited in May 2027?

TDS deducted in Apr 2027 is to be deposited by 7 May 2027.

Do these dates include extensions?

No. They are the default statutory dates. When the government extends a date, the notification overrides what is shown here.

COMPLIANCE CALENDAR

GST, TDS, income tax and ROC due dates: May 2027

The main statutory due dates in May 2027 are: 7 May: Challan 281N; 11 May: GSTR-1; 20 May: GSTR-3B; 31 May: 138 / 140 / 144, Form 143. These are the default dates; an extension notified by CBDT, CBIC or MCA overrides them, and a date that falls on a Sunday or public holiday moves to the next working day.

Fri

Challan 281N · Deposit TDS / TCS · Apr 2027

Mon

GSTR-7 / GSTR-8 · GSTR-7 (GST TDS) / GSTR-8 (e-commerce TCS) · Apr 2027

Tue

GSTR-1 · GSTR-1 (monthly) · Apr 2027

Thu

GSTR-6 · GSTR-6 (input service distributor) · Apr 2027
IFF · IFF: optional B2B invoices (QRMP) · Apr 2027

Sat

ECR / ESI challan · PF and ESI payment with ECR · Apr 2027

Thu

GSTR-3B · GSTR-3B (monthly) with tax payment · Apr 2027Table 3.1 is locked to GSTR-1 from the July 2025 period: correct GSTR-1 through GSTR-1A before filing.

Tue

PMT-06 · PMT-06 monthly tax payment (QRMP) · Apr 2027

Sun *

LLP Form 11 · LLP annual return · FY 2026-27

Mon

138 / 140 / 144 · TDS quarterly statement · Q4 FY 2026-27Forms 138 (salary), 140 (residents) and 144 (non-residents) replace 24Q, 26Q and 27Q.
Form 143 · TCS quarterly statement · Q4 FY 2026-27Form 143 replaces 27EQ and is now due on the same dates as the TDS statements.

* Falls on a Sunday, so the next working day applies. ROC dates assume the AGM is held on 30 September.

Common questions

What is the GSTR-3B due date in May 2027?: For monthly filers, GSTR-3B for Apr 2027 is due on 20 May 2027. QRMP taxpayers file quarterly, by the 22nd or 24th of the month after the quarter depending on their state.
What is the GSTR-1 due date in May 2027?: For monthly filers, GSTR-1 for Apr 2027 is due on 11 May 2027.
When is TDS to be deposited in May 2027?: TDS deducted in Apr 2027 is to be deposited by 7 May 2027.
Do these dates include extensions?: No. They are the default statutory dates. When the government extends a date, the notification overrides what is shown here.

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