Quarterly advance tax instalments with exact due dates, Section 234B and 234C interest calculation. The CA working paper your clients need.
Income & Tax Details
Estimated Income (Annual)
₹
₹
Net profit after allowable expenses
₹
Gains above ₹1.25L exemption, taxed at 12.5%. 87A rebate NOT applicable on this.
₹
Short-term equity gains (STT paid), taxed at 20%. 87A rebate NOT applicable on this.
₹
Property STCG, gold STCG, debt MF gains — added to slab income
₹
Deductions & TDS
₹
New Regime: Standard Deduction ₹75,000 (salaried) is available — include it here. 80C/80D/HRA are NOT deductible under new regime.
₹
From salary TDS, Form 16, 26AS / AIS
Advance Tax Paid (₹)
₹
₹
₹
₹
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Enter your estimated income and advance tax paid to see quarterly instalments, shortfalls and Section 234B/234C interest.
Gross Tax Liability
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Before TDS
Net Advance Tax Due
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After TDS deduction
Total Paid So Far
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Across all quarters
Balance + Interest
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Payable on filing
Tax Computation (New Regime FY 2026-27)
Quarterly Instalment Schedule
Instalment
Due Date
Cumulative Due (₹)
Paid (₹)
Shortfall (₹)
234C Interest (₹)
Status
Section 234C Interest
₹0
1%/month on each instalment shortfall
Section 234B Interest
₹0
1%/month if total advance tax < 90% of liability (advisory estimate — accrues till filing date)
Surcharge not included. If total income exceeds ₹50 lakh, surcharge applies (10% for ₹50L–₹1Cr, 15% for ₹1Cr–₹2Cr, 25% for ₹2Cr–₹5Cr, 37% above ₹5Cr). Surcharge on equity LTCG/STCG is capped at 15%. Please factor this in before filing.
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