What is the GSTR-3B due date in April 2026?

For monthly filers, GSTR-3B for Mar 2026 is due on 20 April 2026. 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 April 2026?

For monthly filers, GSTR-1 for Mar 2026 is due on 11 April 2026.

When is TDS to be deposited in April 2026?

TDS deducted in Mar 2026 is to be deposited by 30 April 2026. TDS for March is due 30 April. TCS for March is still due 7 April.

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: April 2026

The main statutory due dates in April 2026 are: 11 April: GSTR-1; 20 April: GSTR-3B; 30 April: Challan 281. 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

GSTR-7 / GSTR-8 · GSTR-7 (GST TDS) / GSTR-8 (e-commerce TCS) · Mar 2026

Sat

GSTR-1 · GSTR-1 (monthly) · Mar 2026

Mon

GSTR-6 · GSTR-6 (input service distributor) · Mar 2026
GSTR-1 · GSTR-1 (quarterly, QRMP) · Q4 FY 2025-26

Wed

ECR / ESI challan · PF and ESI payment with ECR · Mar 2026

Sat

CMP-08 · CMP-08 composition tax payment · Q4 FY 2025-26

Mon

GSTR-3B · GSTR-3B (monthly) with tax payment · Mar 2026Table 3.1 is locked to GSTR-1 from the July 2025 period: correct GSTR-1 through GSTR-1A before filing.

Wed

GSTR-3B · GSTR-3B (quarterly, QRMP) · Q4 FY 2025-2622nd for Category X states, 24th for Category Y states.

Thu

MSME-1 · MSME-1 half-yearly return (Oct–Mar) · FY 2025-26
Challan 281 · Deposit TDS / TCS · Mar 2026TDS for March is due 30 April. TCS for March is still due 7 April.

* 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 April 2026?: For monthly filers, GSTR-3B for Mar 2026 is due on 20 April 2026. 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 April 2026?: For monthly filers, GSTR-1 for Mar 2026 is due on 11 April 2026.
When is TDS to be deposited in April 2026?: TDS deducted in Mar 2026 is to be deposited by 30 April 2026. TDS for March is due 30 April. TCS for March is still due 7 April.
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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