Potential Penal Interest (Assuming NO Advance Tax Paid & Tax Paid on July 31, 2026)

Based on a Net Estimated Tax on Other Income of ₹, and assuming **no advance tax was paid** during the year and the full tax is paid as **self-assessment tax on July 31, 2026** (the general ITR due date), here’s an illustrative calculation of potential interest:

• Interest U/S 234C (for deferment of installments):
  • For June 15 shortfall: ₹ (1% of 15% for 3 months)
  • For Sep 15 shortfall: ₹ (1% of (45%-15%) for 3 months)
  • For Dec 15 shortfall: ₹ (1% of (75%-45%) for 3 months)
  • For Mar 15 shortfall: ₹ (1% of (100%-75%) for 1 month)
  Total Illustrative 234C Interest: ₹
• Interest U/S 234B (for overall shortfall):
  • Calculated on ₹ (Net Estimated Tax on Other Income – 90% threshold for 234B, if applicable, otherwise full amount).
  • For 4 months (April 1, 2026 – July 31, 2026) @ 1% per month.
  • Total Illustrative 234B Interest: ₹

Grand Total Illustrative Penal Interest (234B + 234C): ₹

**Note:** This is a simplified calculation. Actual 234C interest can vary based on actual income accrual throughout the year. Penal interest calculation can be complex; this tool provides an estimate.