Advance tax deadline today: December 15 instalment due; who must pay, penalties and how interest adds up- Explained
December 15, 2025, is a crucial advance tax deadline for individuals with multiple income streams. Taxpayers must have paid at least 75% of their estimated tax liability by this date to avoid accumulating monthly interest penalties under India's 'pay as you earn' framework. Failure to meet this deadline can lead to significant additional tax outgo.
