Key GST, TDS, ITR, MCA and payroll compliance dates for Indian businesses. Missing these attracts penalties and interest - plan ahead.
11
May
GSTR-1 Monthly Filing — April 2026
GSTR-1 · GST Portal (gst.gov.in) · All regular GST registrants with monthly GSTR-1 filing (turnover above ₹5 crore)
20
May
GSTR-3B Monthly Filing — April 2026
GSTR-3B · GST Portal (gst.gov.in) · All regular GST registrants with monthly filing frequency
31
May
TDS Quarterly Return — Q4 FY 2025-26 (January–March 2026)
24Q / 26Q / 27Q · TRACES / Income Tax Portal (incometaxindia.gov.in) · All TDS deductors — salary (24Q), non-salary payments (26Q), foreign payments (27Q)
15
Jun
Advance Tax — First Installment (15%) Due for FY 2026-27
Challan 280 (ITNS 280) · Income Tax Portal (incometaxindia.gov.in / TIN-NSDL) · Individuals, firms, companies with estimated tax liability above ₹10,000 for FY 2026-27
15
Jun
EPF & ESIC Challan Payment — May 2026
UAN-based ECR (EPF) / ESIC Challan (ESIC Portal) · EPFO (epfindia.gov.in) / ESIC (esic.in) · All employers with 20+ employees (EPF) and employers with 10+ employees or any employee earning ≤₹21,000 (ESIC)
31
Jul
Income Tax Return Filing — FY 2025-26 (AY 2026-27)
ITR-1 / ITR-2 / ITR-3 / ITR-4 / ITR-5 / ITR-6 · Income Tax Portal (incometaxindia.gov.in) · All individuals, HUFs, firms, companies — specific form depends on income type
31
Jul
TDS Quarterly Return — Q1 FY 2026-27 (April–June 2026)
24Q / 26Q / 27Q · TRACES / Income Tax Portal (incometaxindia.gov.in) · All TDS deductors — salary (24Q), non-salary payments (26Q), foreign payments (27Q)
15
Sept
Advance Tax — Second Installment (45%) Due for FY 2026-27
Challan 280 (ITNS 280) · Income Tax Portal (incometaxindia.gov.in / TIN-NSDL) · Individuals, firms, companies with annual tax liability above ₹10,000 for FY 2026-27
30
Oct
AOC-4 Annual Financial Statements — FY 2025-26
AOC-4 / AOC-4 XBRL · Ministry of Corporate Affairs (mca.gov.in) · All companies registered under Companies Act 2013 (private, public, OPC)
30
Nov
MGT-7A Annual Return — FY 2025-26 (Small Companies and OPCs)
MGT-7A · Ministry of Corporate Affairs (mca.gov.in) · Small companies (turnover <₹40 crore, paid-up capital <₹4 crore) and One Person Companies (OPCs)
15
Dec
Advance Tax — Third Installment (75%) Due for FY 2026-27
Challan 280 (ITNS 280) · Income Tax Portal (incometaxindia.gov.in / TIN-NSDL) · Individuals, firms, companies with annual tax liability above ₹10,000 for FY 2026-27
31
Dec
GSTR-9 Annual Return — FY 2025-26
GSTR-9 / GSTR-9C · GST Portal (gst.gov.in) · All regular GST taxpayers with turnover above ₹2 crore (GSTR-9C reconciliation > ₹5 crore)
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