15 NOVPF & ESI · Contributions · Oct 2026due today 20 NOVGSTR-3B · Summary return · Oct 2026in 5 days 21 NOVITR filing · Audit cases · AY 2026-27 · extended from 31 Octin 6 days 29 NOVMGT-7 / 7A · Annual return · FY 2025-26in 14 days 7 DECTDS / TCS deposit · Deducted in Nov 2026in 22 days 11 DECGSTR-1 · Outward supplies · Nov 2026in 26 days 15 DECAdvance Tax · 3rd (75%) instalment · FY 2026-27in 30 days 31 DECGSTR-9 / 9C · Annual return · FY 2025-26in 46 days 15 NOVPF & ESI · Contributions · Oct 2026due today 20 NOVGSTR-3B · Summary return · Oct 2026in 5 days 21 NOVITR filing · Audit cases · AY 2026-27 · extended from 31 Octin 6 days 29 NOVMGT-7 / 7A · Annual return · FY 2025-26in 14 days 7 DECTDS / TCS deposit · Deducted in Nov 2026in 22 days 11 DECGSTR-1 · Outward supplies · Nov 2026in 26 days 15 DECAdvance Tax · 3rd (75%) instalment · FY 2026-27in 30 days 31 DECGSTR-9 / 9C · Annual return · FY 2025-26in 46 days