MSME Interest & 43B(h) Calculator

3-FY Classification • MSMED Interest • Income Tax Section 43B(h)

Download Template
Upload Data Upload & validate file
Configure Rates & settings
Results Preview & computation

How to Use This Tool

Follow these steps to compute MSMED interest and Section 43B(h) disallowance

1

Download Template

Download the Excel template from the top header. It contains all required columns pre-formatted for upload.

2

Fill Your Data

Enter supplier-wise invoice data including acceptance dates, payment status, amounts, and Udyam classification by financial year.

3

Upload & Validate

Upload the completed Excel file here and click Validate to confirm all required columns and data are present.

4

Configure Rates

Review and update RBI Bank Rates and set computation parameters like tax year, as-of date, and classification basis.

5

Compute & Export

Click Compute to calculate interest and disallowances, review results in the Preview/Computation tabs, then export to Excel.

  Required Columns in Your Excel File

The following columns must be present for correct computation:

Upload Invoice Data

Drag & drop your Excel file or click to browse — supports .xlsx format

Drop your Excel file here

MSME Single Sheet Input Template — .xlsx format

Validation Results

RBI Bank Rates Configuration

Edit existing rates or add future rate changes — MSMED rate = 3 × Bank Rate (monthly rest compounding)

Effective From Repo Rate (%) Bank Rate (%) MSMED Annual (%) Note / Source Action

  Bank Rate = Repo Rate + 0.25%  |  MSMED Rate = Bank Rate × 3  |  Highlighted columns are auto-derived from Repo Rate.

Computation Settings

Configure the tax year, as-of date, and classification parameters before computing

Filter Preview Data
Invoice Base Data
Upload and validate a file to see data here.
Total Invoices0
Eligible Micro/Small0
Principal Reviewed0.00
Net Interest Payable0.00
43B(h) Reviewed0
Final Disallowance0.00
Payment Allowance0.00
Filter Computation Results
Computed Invoice Results
Record IDSupplierInvoice NoCategory Due DateInterest StartEnd DateDelayed Days OutstandingInterest43B(h) Status 43B(h) DisallowanceFlags / Notes
Run computation to see results.