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By Admin 16 Sep, 2025

TalentBlazer : UGCNET/JRF preparation paper II - Commerce : UGC NET: Tax Computation: Income Classification and Deduction Calculations

Taxation is one of the most important areas in the UGC NET Commerce and Management syllabus. A clear understanding of income classification and deduction rules is essential not only for examination purposes but also for practical application in financial planning and tax filing. In this blog, we will explore the basics of income computation under the Income Tax Act, focusing on income classification, deductions, and their role in determining taxable income.

 

1. Income Classification under the Income Tax Act

The Income Tax Act, 1961 divides income into five heads. Each head has its own set of rules for computation:

  1. Income from Salary
    • Covers wages, pensions, gratuity, leave encashment, allowances, and perquisites.
    • Taxable under the head “Salaries” when there is an employer–employee relationship.
  2. Income from House Property
    • Income from renting out residential or commercial property.
    • Taxable on the basis of the property’s annual value (actual rent received or expected rent).
    • Deductions allowed:
      • 30% standard deduction on Net Annual Value (NAV)
      • Interest on borrowed capital (home loan interest).
  3. Profits and Gains from Business or Profession (PGBP)
    • Income from trade, commerce, manufacturing, freelancing, and professional services.
    • Expenses incurred wholly and exclusively for business are deductible.
  4. Capital Gains
    • Profit from transfer of capital assets such as land, shares, mutual funds, or gold.
    • Divided into:
      • Short-Term Capital Gain (STCG)
      • Long-Term Capital Gain (LTCG)
    • Different tax rates apply depending on the asset type and holding period.
  5. Income from Other Sources
    • Residual category including dividends, winnings from lotteries, interest income, etc.
    • Taxed under specific provisions of the Act.

 

2. Computation of Gross Total Income (GTI)

Gross Total Income is computed by adding up income from all the above heads:

GTI = Salary Income + House Property Income + Business/Profession Income + Capital Gains + Other Sources

 

3. Deductions under Chapter VI-A

After calculating GTI, deductions are allowed under Sections 80C to 80U, reducing the taxable income. Some important deductions are:

  • Section 80C: Investment-based deductions (Maximum ₹1,50,000)
    • Life Insurance Premium, Provident Fund (PF), National Savings Certificates (NSC), Tuition fees, Principal repayment of housing loan, etc.
  • Section 80D: Medical insurance premiums for self, family, and parents.
  • Section 80G: Donations to certain funds and charitable institutions.
  • Section 80TTA/80TTB: Interest on savings account (₹10,000 for individuals, ₹50,000 for senior citizens).
  • Section 80E: Interest on education loan.
  • Section 80U: Deduction for persons with disability

4. Computation of Total Taxable Income

The formula for arriving at Taxable Income is:

Gross Total Income –Deductions under Chapter VI−A = Total Income

This Total Income is then charged to tax as per the applicable slab rates.

 

5. Example of Tax Computation

Suppose an individual has the following incomes:

  • Salary Income: ₹8,00,000
  • House Property Loss (Interest on home loan): ₹-1,50,000
  • Business Income: ₹2,00,000
  • Capital Gain (long-term): ₹50,000
  • Interest from Savings Account: ₹10,000

Step 1: Compute Gross Total Income

  • Salary = ₹8,00,000
  • House Property = -₹1,50,000
  • Business = ₹2,00,000
  • Capital Gain = ₹50,000
  • Other Sources = ₹10,000
    GTI = ₹9,10,000

Step 2: Deductions

  • Section 80C (say PF, LIC): ₹1,50,000
  • Section 80D (Medical Insurance): ₹25,000
  • Section 80TTA (Savings Interest): ₹10,000
    Total Deductions = ₹1,85,000

Step 3: Taxable Income
GTI – Deductions = ₹9,10,000 – ₹1,85,000 = ₹7,25,000

Tax is then computed on ₹7,25,000 according to the slab rates.

 

Conclusion

Tax computation requires a systematic approach: first classify income under the correct head, then aggregate it to determine Gross Total Income, and finally reduce it with eligible deductions. For UGC NET aspirants, understanding these steps is crucial, as questions often test both theoretical concepts and problem-solving abilities in taxation.


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