Finance

• 7NovTDS / TCS depositIncome Tax · Tax deducted or collected last month. TDS deducted in March: by 30 April.
• 11NovGSTR-1 (monthly)GST · Outward supplies of last month
• 20NovGSTR-3B (monthly)GST · Summary return and tax payment. Quarterly (QRMP) filers: 22nd or 24th after the quarter, depending on the state.

• 15DecAdvance tax instalmentIncome Tax · 15%, 45%, 75% and 100% of the year's tax by these dates
• 31DecGSTR-9 / 9C annual returnGST · Annual return for the last financial year (9C: turnover over ₹5 crore)
• 31JanTDS returns: other payments (Forms 140, 144)Income Tax · Quarterly statements for residents and non-residents (were Forms 26Q and 27Q)

Standard due dates. Check official notices for extensions and holiday changes.