Advance Tax 15 December 2026 — third instalment, pay 75% of tax by this date

Advance Tax 15 December 2026: Pay 75% by This Date — Due Dates, Calculation & Interest

Advance tax 15 December 2026 is the third instalment for tax year 2026-27. Pay 75% of your estimated tax by this date — due dates, calculation, interest under sections 424 and 425, and how to pay online via Challan 280.

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Income tax e-challan: how to pay income tax online via the e-Pay Tax portal — step-by-step guide

Income Tax E-Challan: How to Pay Tax Online via the e-Pay Tax Portal (2026)

A step-by-step guide to paying income tax online via e-challan on the e-Pay Tax portal — Challan 280 vs 281, minor heads 100/300/400, assessment year selection, payment modes, receipt download and Form 26AS reconciliation.

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