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Interest Calculator For Section 234B and 234C

Calculate interest on your income tax, quickly and efficiently.

Calculate interest on your net tax under section 234B and 234C with a tabular illustration of how the interest is calculated under section 234C.

To know more about section 234C and calculation of interest under that section, please read our blog topic that explains interest under section 234C.

How Do We Calculate Interest on Assessed Tax Under Section 234B and 234C of Indian Income Tax Act?

A Detailed Guide to Interest Liability calculation for Default and Deferment in Advance Tax Payments follows.

Introduction

Under the Indian Income Tax Act, taxpayers are required to pay advance tax if their tax liability exceeds a specified threshold. Failure to comply with advance tax provisions attracts interest penalties under Sections 234B and 234C. Understanding how interest is calculated under these sections is essential for accurate tax planning and compliance.

Navigate to learn more about advance tax in India.

Section 234B deals with Interest for Default in Payment of Advance Tax

Section 234B deals with interest liability when a taxpayer fails to pay advance tax or pays less than 90% of the assessed tax. This section applies to both individuals and companies whose tax liability after reducing TDS (Tax Deducted at Source) exceeds Rs. 10,000 in a financial year. Interest is charged at the rate of 1% per month or part of a month, starting from April 1 following the financial year until the date of determination of income under Section 143(1) or regular assessment under Section 143(3).

Calculation Method

• Determine the assessed tax: This is the total tax liability (including surcharge and cess) minus TDS/TCS and relief (if any).
• Subtract advance tax or self-assessment tax paid (if any).
• If the amount paid is less than 90% of the assessed tax, interest is calculated on the shortfall.
• Interest is levied at 1% per month or part of a month on the shortfall amount, from April 1 of the assessment year to the date of assessment.

Illustration

Suppose an individual’s assessed tax is Rs. 1,00,000, and he has paid Rs. 60,000 as advance tax and Rs. 10,000 is deducted as TDS. The total paid is Rs. 70,000. Since 90% of Rs. 1,00,000 is Rs. 90,000, and the individual has paid less, interest under Section 234B will be levied on Rs. 30,000 (total liability of 100000 minus the sum of the TDS and advance and self-assessment tax paid i.e. 70000) for each month or part of a month from April 1 until the date of assessment.

Section 234C deals with Interest for Deferment in paying Advance Tax

Section 234C imposes interest for non-payment or short payment of installments of advance tax as per the prescribed schedule. The advance tax is to be paid in installments on specified dates during the financial year.

Installment Due Dates for Non-Corporate Taxpayers

• 15th June: At least 15% of advance tax
• 15th September: At least 45% of advance tax (cumulative)
• 15th December: At least 75% of advance tax (cumulative)
• 15th March: 100% of advance tax

Interest is levied at 1% per month or part of a month on the shortfall in each installment.

Calculation Method

• Calculate the required advance tax for each installment
• Determine the amount paid up to each installment date.
• If payment is less than the required amount, interest is charged at 1% per month or part of a month on the shortfall, for a fixed number of months Interest under section 234C is levied for a period of 3 months, in case of short fall in payment of 1st, 2nd and 3rd installment and for 1 month, in case of short fall in payment of last installment.
  • June installment: 3 months (June to September)
  • September installment: 3 months (September to December)
  • December installment: 3 months (December to March)
  • Last installment: 1 month

Illustration

If the advance tax liability is Rs. 1,00,000 and the taxpayer pays only Rs. 10,000 by June 15 (instead of Rs. 15,000), the shortfall is Rs. 5,000. Interest of Rs. 150 (Rs. 5,000 x 1% x 3 months) will be charged for this installment. Similar calculations apply for subsequent installments.

Amendment

Under Section 234C, although advance tax instalments are required to be 15% and 45% by 15 June and 15 September respectively, interest for deferment is not levied if the taxpayer has paid at least 12% and 36% of the assessed tax by those dates. The balance can be paid in subsequent instalments according to the prescribed schedule.

While many Interest calculators for section 234B and 234C omit these amendments, we incorporate it to ensure precise results.

Example Calculation Of Interest Under Section 234C

Problem Statement

Let's assume the FY to be 2024-25. Arvind owns an engineering consultancy firm. His total tax liability for the year amounts to Rs. 54,000. He has made the following advance tax payments:

• Rs. 9,500 on 15th June 2024
• Rs. 12,500 on 15th September 2024
• Rs. 13,500 on 15th December 2024
• Rs. 18,500 on 15th March 2025

Arvind has not opted for the presumptive taxation scheme under section 44ADA. Let us see how we can calculate the interest payable under section 234C based on the above data.

Solution

Let us determine whether Arvind is required to pay interest under section 234C, and if so, how much. Every individual whose estimated tax liability for the financial year exceeds Rs. 10,000 must pay advance tax. Any tax paid up to 31st March is considered as advance tax. Based on the dates as specified above, Arvind’s advance tax liability at each instalment is calculated as follows:

• First Instalment (15th June): At least 15% of the total tax payable should be paid by this date. 15% of Rs. 54,000 is Rs. 8,100. Arvind paid Rs. 9,500 on 15th June, which exceeds the required amount. Therefore, there is no shortfall in the first instalment.
• Second Instalment (15th September): At least 45% of the total tax payable should be paid by this date. 45% of Rs. 54,000 is Rs. 24,300. By 15th September, Arvind has paid a total of Rs. 22,000 (Rs. 9,500 + Rs. 12,500). There is a short payment of Rs. 2,300 (Rs. 24,300 – Rs. 22,000). However, as Arvind has paid a minimum of 36% of the advance tax by 15th September (36% of Rs. 54,000 is Rs. 19,440; he has paid Rs. 22,000), no interest under section 234C will apply for the deferment of the second instalment.
• Third Instalment (15th December): At least 75% of the total tax payable should be paid by this date. 75% of Rs. 54,000 is Rs. 40,500. By 15th December, he has paid Rs. 35,500 in total (Rs. 9,500 + Rs. 12,500 + Rs. 13,500). This results in a short payment of Rs. 5,000 (Rs. 40,500 – Rs. 35,500). Thus, Arvind will be liable to pay interest under section 234C for this shortfall.
• Final Instalment (15th March): By this date, 100% of the tax payable should be settled. Arvind has paid the full tax liability of Rs. 54,000 by 15th March (Rs. 9,500 + Rs. 12,500 + Rs. 13,500 + Rs. 18,500), so there is no shortfall in the final instalment.

The only shortfall occurs in the third instalment, amounting to Rs. 5,000. Interest under section 234C is charged at 1% per month or part thereof on the short-paid amount for three months. Hence, the interest payable is Rs. 150 (Rs. 5,000 × 1% × 3 months). In summary, Arvind is liable to pay interest of Rs. 150 under section 234C due to the shortfall in the third instalment of advance tax.

Exceptions

• No interest under Section 234C is charged if the shortfall is due to income under the head “Capital Gains” or winnings from lotteries, provided the advance tax is paid on such income by March 31.
• Interest under Sections 234B and 234C is mandatory and cannot be waived by the Assessing Officer.
• Interest is calculated on the amount of shortfall or deferred payment, not on the total tax liability.

Calculator Features, Display, And User Interface

• This interest calculator for sections 234B and 234C features a user-friendly interface, accompanied by this comprehensive guide designed to facilitate understanding of these interest calculations.
• The calculator provided applies the relevant amendments and accurately computes interest in accordance with sections 234B and 234C. Its calculations closely align with the methodology employed by the Income Tax Department.
• The calculation of interest under section 234C is presented in a tabular format, detailing each of the four installments for cases where presumptive taxation is not opted, and a single installment for cases where presumptive taxation is chosen. The table specifies the shortfall, the expected required amount, and the cumulative interest at each stage (current interest plus any interest accrued from prior installments).
• The interest calculation may be exported as a PDF document for sharing with others.
• Disclaimer: While this calculator provides accurate and comprehensive results, it is advisable to seek guidance from a taxation professional or Chartered Accountant for your income tax return filing requirements. Additionally, please refer to the official website or the e-filing portal of the Income Tax Department for the most accurate and up-to-date information. Please navigate to this page to know more.

The ability to export results to PDF facilitates efficient communication with stakeholders. This feature differentiates our calculator.