Quick Reference

Key Compliance Due Dates

Month-by-month GST, TDS, advance tax, and ITR filing due dates for FY 2025-26.

May 2025–26

7 May

TDS deposit for April

TDS

11 May

GSTR-1 for April (monthly filers)

GST

13 May

GSTR-1 IFF for April (QRMP filers)

GST

20 May

GSTR-3B for April (large taxpayers — T1 states)

GST

22 May

GSTR-3B for April (T2 states — QRMP)

GST

24 May

GSTR-3B for April (T3 states — QRMP)

GST

31 May

TDS returns for Jan–Mar quarter (Forms 24Q, 26Q, 27Q, 27EQ)

TDS

31 May

Form 16A / 16B / 16C issue deadline for Q4

TDS

Dates are for FY 2025-26. CBDT and GSTN frequently extend deadlines — always check official notifications. QRMP = Quarterly Return Monthly Payment scheme (aggregate turnover ≤ ₹5Cr).

For general guidance only. Consult your CA for advice specific to your situation.