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Income Tax Return Filing (Business and Individual)

Income-tax return filing selects the legally applicable return and regime, reconciles books and information statements, computes income/tax and submits a verified return with defensible disclosures.

Income-tax compliance

Last Reviewed: 29 July 2026
Next scheduled review: 29 October 2026
Reviewed by: IndiaBusiness.ai Editorial

Who it’s for

Individuals with salary, house property, capital gains, foreign assets or business income.
Proprietors, firms, LLPs, companies and non-profits with filing obligations.
Taxpayers requiring audit, presumptive-tax or loss carry-forward analysis.
Residents/non-residents with cross-border reporting.

When you may not need it — Some persons below applicable filing conditions may not be required to file, but specified transactions or other conditions can trigger filing. Never decide from income alone.

At-a-glance: critical 2026 transition

Tax years beginning before 1 Apr 2026
Income-tax Act, 1961 continues to govern
AY 2026–27 return for FY 2025–26
Filed using forms under the old Act
Tax year beginning 1 Apr 2026 onward
Income-tax Act, 2025 and Income-tax Rules, 2026, subject to amendments
Portal
Supports compliance under both Acts concurrently

Process

1Applicability/form/regime memo2books and AIS/26AS/TIS reconciliation3income/deduction/loss/foreign-disclosure review4audit/transfer-pricing dependencies5tax and interest6draft return and variance note7taxpayer approval8filing/e-verification9intimation tracker

Documents needed

  • PAN/Aadhaar/status
  • Books/financials
  • Form 16/16A
  • AIS/26AS
  • Bank/interest
  • Investments/deductions
  • Capital gains
  • Property
  • Foreign assets/income
  • Taxes paid
  • Prior return/losses
  • Audit and entity records

What we take care of

  • Form and law-year determination
  • Data reconciliation
  • Computation
  • Disclosure checklist
  • Filing/e-verification support
  • Post-filing tracker
Valuation, audit and international-tax opinion are separately scoped.

Questions founders ask

Does the new Act apply to the return filed in July/August 2026 for FY 2025–26?

No; that period remains governed by the 1961 Act.

Is 31 July a universal deadline?

No. Entity, audit and notified extensions affect due date; show a live tax calendar.

Does filing mean the department accepted every claim?

No; processing, adjustment, scrutiny or reassessment may follow.

Information is general and reflects sources reviewed on the date shown. Eligibility, documents, fees, timelines and outcomes depend on the applicant’s facts and the current law, authority portal or platform policy. IndiaBusiness provides advisory and execution support; approval and enforcement decisions remain with the relevant authority, certification body, platform, bank or other decision-maker.