If you're an individual with tax liability over ₹10,000 in a year (other than from salary), you must pay advance tax in 4 installments: 15% by June 15, 45% by Sep 15, 75% by Dec 15, 100% by March 15. Miss the deadlines = 1% per month interest under Section 234C. The calculator shows your installment schedule and interest exposure if you've missed any.
When to use this
Use when: you have rental income, freelance / consulting income, capital gains, dividend / interest income above the basic exemption, or business income. Salaried-only employees with TDS covering 100% tax don't need advance tax - everyone else does.
Frequently Asked Questions
When am I exempt from advance tax?
If your total tax liability for the year is under ₹10,000 (after TDS), no advance tax. Senior citizens (60+) with no business income are exempt too. Resident senior citizens with only pension, FD interest, and rental income (no business) can pay all tax as self-assessment by July 31.
What's the difference between 234B and 234C?
234B: 1% per month interest if total advance tax paid is less than 90% of total tax due. 234C: 1% per month interest for each installment shortfall. Both can apply simultaneously. The calculator shows both with the exact rupee impact.
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