Hi everyone, finance lovers! I am thrilled to present a comprehensive yet easy-to-read guide to Minimum Alternate Tax (MAT) under the Indian Income Tax Act. If you are a business owner, accountant, or simply someone who’s interested in how companies deal with this tax, this post is for you. I will dissect what MAT is, when to use it, regulations, guidelines, and guide you through filling it out on the Income Tax Portal using real-life examples. Let us break this confusing subject down to just chatting over coffee!
What Is MAT and Why Does It Exist?
Picture yourself as a company that is reporting significant profits in its books but, due to some tax deductions or exemptions, is paying very little or no income tax. What a fantasy, isn’t it? The government apparently thought otherwise and brought in Minimum Alternate Tax (MAT) under Section 115JB of the Income Tax Act, 1961, to make sure companies pay at least a minimum amount of tax even if they are eligible for exemptions.
MAT applies to companies that report “book profits” (profits as per their financial statements) but have a low or zero tax liability due to deductions under the Income Tax Act. It is like the government’s way of saying, “Hey, you’re making money, so let’s share a little with the taxman!”
Key Objective of MAT
- Ensure companies with significant book profits pay a baseline tax.
- Prevent tax avoidance through excessive use of exemptions, deductions, or incentives.
- Level the playing field for all companies, regardless of their tax-saving strategies.
Who Needs to Pay MAT?
MAT applies to all companies registered under the Companies Act, 2013 (or earlier versions), including:
- Domestic companies
- Foreign companies with a taxable presence in India
- Section 8 companies (non-profits) if they have taxable income
However, there are exceptions:
- Companies with nil or negative book profits are exempt.
- Companies under specific tax holiday schemes (e.g., Section 80-IA, 80-IB for infrastructure or industrial undertakings) may get MAT exemptions during their holiday period, but this depends on the specific provisions.
Foreign companies with no permanent establishment in India or those covered under Double Taxation Avoidance Agreements (DTAAs) may not be liable for MAT in certain cases (refer toCBDT Circular No. 24/2017).
MAT Rate
As of the Assessment Year (AY) 2025-26, the MAT rate is 15% of the book profit (plus applicable surcharge and cess). For example:
- Surcharge: 7% if book profit is between ₹1 crore and ₹10 crore; 12% if above ₹10 crore.
- Cess: 4% Health and Education Cess on tax and surcharge.
How is MAT Calculated?
MAT is calculated on the book profit of a company, which is derived from the profit and loss account prepared as per the Companies Act and adjusted for specific items under Section 115JB. Here is a simplified breakdown:
1. Start with Book Profit: Take the net profit as per the company’s audited financial statements.
2. Add Back Certain Items (if debited to P&L):
- Income tax paid or payable.
- Amounts transferred to reserves (except specific reserves like debenture redemption).
- Provisions for unascertained liabilities (e.g., provision for bad debts).
- Losses of subsidiaries or brought-forward losses.
- Depreciation not allowable under the Income Tax Act.
3. Deduct Certain Items (if credited to P&L):
- Amounts withdrawn from reserves or provisions.
- Income exempt from tax (e.g., agricultural income under Section 10).
- Depreciation (excluding the portion disallowed earlier).
4. Apply MAT Rate: Calculate 15% of the adjusted book profit, add surcharge and cess
Example: Calculating MAT
Let us say ABC Ltd. has a net profit of ₹5 crore as per its P&L account for FY 2024-25. Here is how we calculate MAT:
- Net Profit: ₹5,00,00,000
- Additions:
- Income tax provision: ₹50,00,000
- Provision for doubtful debts: ₹10,00,000
- Deductions:
- Exempt dividend income: ₹20,00,000
- Adjusted Book Profit: ₹5,00,00,000 + ₹50,00,000 + ₹10,00,000 – ₹20,00,000 = ₹5,40,00,000
- MAT @ 15%: ₹5,40,00,000 × 15% = ₹81,00,000
- Add Cess (4%): ₹81,00,000 × 4% = ₹3,24,000
- Total MAT Liability: ₹84,24,000
If ABC Ltd.’s regular tax liability (under normal provisions) is less than ₹84,24,000, they pay MAT. If it is higher, they pay the regular tax.
MAT Credit: A Silver Lining
Here is the happy news: If you pay MAT, you can claim a MAT credit under Section 115JAA for excess tax paid in excess of regular tax liability. This credit is eligible to be carried forward up to 15 years and be offset against future tax liabilities where regular tax is more than MAT.
Example: If the normal tax liability of ABC Ltd. was ₹60,00,000, it pays ₹84,24,000 under MAT. The difference (₹84,24,000 – ₹60,00,000 = ₹24,24,000) is a MAT credit, which can be offset in future years when regular tax is more than MAT.
Rules and Guidelines for MAT
1. Book Profit Compliance: Book profits have to be calculated as per Schedule III of the Companies Act, 2013, and audited financial accounts are required.
2. Form 29B: Businesses subject to MAT have to get a report by a Chartered Accountant in Form 29B, verifying the book profit computation (under Rule 40B of the Income Tax Rules, 1962).
3. Filing Date: MAT is reported in ITR-6 form and is to be filed by October 31 of the assessment year for companies that are due for audit (extended to November 30 if transfer pricing is involved).
4. Exemptions and Clarifications: See CBDT Circular No. 13/2017 for clarity regarding MAT applicability to insolvency companies and Notification No. 29/2020 for lower MAT rates for some companies.
How to File MAT in the Income Tax Portal: Step-by-Step
Filing MAT details is part of the ITR-6 form for companies. Here is a practical guide to filing on the Income Tax e-Filing Portal (efiling.incometax.gov.in):
Step 1: Gather Documents
- Audited financial statements (P&L, Balance Sheet).
- Form 29B from a Chartered Accountant.
- Tax audit report in Form 3CA/3CB (if applicable).
- Details of exemptions, deductions, and reserves.
Step 2: Log in to the Portal
- Visit the Income Tax e-Filing Portal.
- Log in using the company’s PAN and password.
- Navigate to e-File > Income Tax Returns > File Income Tax Return.
Step 3: Select ITR-6
- Choose Assessment Year (AY) 2025-26.
- Select ITR-6 (for companies other than those claiming exemption under Section 11).
- Download the ITR-6 utility (Excel or Java) or use the online form.
Step 4: Fill MAT Details
In the ITR-6 form:
- Schedule MAT: Enter book profit details as per Section 115JB.
- Input net profit from P&L.
- Add/deduct adjustments (e.g., tax provisions, exempt income).
- Compute MAT at 15% (auto-calculated in the utility).
- Schedule MATC: If claiming MAT credit, provide details of carried-forward credit from previous years.
- Schedule P&L and Balance Sheet: Ensure consistency with audited financials.
- Attach Form 29B as a PDF
Step 5: Validate and Submit
- Validate the form to check for errors.
- Preview the return, attach required schedules, and e-verify using DSC (Digital Signature Certificate) or Aadhaar OTP.
- Save the acknowledgment (ITR-V) for records.
Example: Filing for XYZ Pvt. Ltd.
Let us say XYZ Pvt. Ltd. has a book profit of ₹2 crore and a regular tax liability of ₹25 lakh, but MAT liability is ₹31 lakh. In ITR-6:
- In Schedule MAT, they enter:
- Net profit: ₹2,00,00,00
- Adjustments: Add ₹10,00,000 (tax provision); Deduct ₹5,00,000 (exempt income)
- Book profit: ₹2,05,00,000
- MAT: ₹2,05,00,000 × 15% = ₹30,75,000 + ₹1,23,000 (cess) = ₹31,98,000
- In Schedule MATC, they claim ₹6,98,000 (₹31,98,000 – ₹25,00,000) as MAT credit.
- They upload Form 29B and submit the return with DSC.
Common Errors to be Avoided
- Inaccurate Adjustments: Overlooking or incorrect additions/deductions in book profit computation.
- Form 29B Neglect: Not attaching the CA-certified Form 29B.
- Discrepancy with Financials: Verify P&L and Balance Sheet are consistent with ITR-6 figures.
- Overlooking MAT Credit: Monitor and use MAT credit to save future tax liabilities.
Conclusion
MAT navigation may seem like a labyrinth, but if you dissect it, it’s more about making sure that companies contribute their due amount and that exemptions do not go out of hand. With proper documents and knowledge of Section 115JB in place, MAT submission under ITR-6 is possible.

