A sole proprietorship is the simplest business structure in India - no separate legal entity, the owner's PAN is the business's PAN. But income tax compliance for a proprietor is significantly different from a salaried individual. This guide covers everything.
How is Sole Proprietorship Income Taxed?
A sole proprietor's business income is taxed in the owner's hands at individual slab rates under Profits and Gains from Business or Profession (PGBP). There is no separate tax rate for proprietorship - the business income is added to the owner's other income and taxed at applicable slabs. Unlike a private limited company (which pays 22-25% flat corporate tax), a proprietor's effective rate depends on total personal income.
Which ITR Form Must a Sole Proprietor File?
| Situation | ITR Form | Deadline |
|---|---|---|
| Turnover up to Rs 3 crore, presumptive taxation u/s 44AD | ITR-4 (Sugam) | 31 August 2026 |
| Professional receipts up to Rs 75 lakh, presumptive u/s 44ADA | ITR-4 (Sugam) | 31 August 2026 |
| Regular business (not presumptive) - no audit required | ITR-3 | 31 August 2026 |
| Business with mandatory tax audit | ITR-3 | 31 October 2026 |
Option 1: Presumptive Taxation Under Section 44AD
Section 44AD allows businesses with turnover up to Rs 3 crore (95%+ digital transactions) to declare deemed profit of 8% (cash) or 6% (digital) of turnover - without maintaining detailed books.
Example
| Item | Amount |
|---|---|
| Annual business turnover | Rs 80,00,000 |
| Deemed profit at 6% (all digital) | Rs 4,80,000 |
| Less: Chapter VI-A deductions | Rs 1,50,000 |
| Taxable income | Rs 3,30,000 |
| ITR form | ITR-4 |
| Books required? | No |
| Audit required? | No |
Option 2: Regular Taxation - ITR-3 with Full Accounts
If you do not opt for presumptive taxation (or are ineligible because turnover exceeds Rs 3 crore, or you are in prohibited businesses), you must maintain full books and file ITR-3.
- Deduct all actual business expenses - rent, salaries, raw materials, utilities, depreciation
- Carry forward business losses for 8 years
- Claim higher deductions that significantly reduce taxable income
Tax Audit Requirements for Proprietors
| Scenario | Audit Required? |
|---|---|
| Turnover up to Rs 1 crore (less than 5% cash) | No (can use 44AD up to Rs 3 crore) |
| Turnover exceeds Rs 10 crore | Yes - mandatory u/s 44AB |
| Turnover Rs 1-10 crore; profit below 8%/6%; income above exemption limit | Yes - audit required |
| Opted for 44AD previously; now opting out | Yes - if income above exemption limit |
Documents Required for Proprietorship ITR
- Profit and Loss Account for FY 2025-26
- Balance Sheet as on 31 March 2026
- GST returns - GSTR-1, GSTR-3B for FY 2025-26
- TDS certificates (Form 16A) from customers who deducted TDS on payments
- Bank statements - all current and savings accounts
- Advance tax payment challans (Challan 280) - all four installments
- Investment proofs for personal deductions - 80C, 80D, NPS
- Tax audit report (Form 3CA/3CD) - if audit required
GST Reconciliation - Critical for Proprietors
The Income Tax Department routinely cross-checks turnover declared in ITR against GST returns. A mismatch - where GST returns show higher turnover than ITR - can trigger a notice under Section 143(2). Always reconcile your GST and income tax turnover before filing, accounting for permissible differences.
Advance Tax for Proprietors
Proprietors must pay advance tax in four installments (15 June, 15 September, 15 December, 15 March). Missing installments attracts interest at 1% per month under Sections 234B and 234C. Proprietors opting for 44AD can pay all advance tax in one shot by 15 March.
Regikart Handles Proprietorship ITR End-to-End
Proprietorship ITR involves P&L preparation, GST reconciliation, advance tax review, audit assessment, and multi-schedule filing. Regikart's CA team files ITRs for proprietors across trading, services, manufacturing, and e-commerce businesses.
| Ready to File Your ITR for FY 2025-26? Let Regikart's CA team handle it, accurately and on time. File Your ITR with Regikart: https://regikart.com/tax-filing Call / WhatsApp: +91 70444 94804 | Email: [email protected] |
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Disclaimer: This article is for informational purposes only and does not constitute professional tax advice. Tax laws may change. Please consult a qualified Chartered Accountant for advice specific to your situation.
About the author
Rohit
Senior Advisor at Regikart. Want to discuss this in the context of your business?
