In India, income tax terminology uses two different “years,” which are often mixed up:
Tax Year (Previous Year / Financial Year)
Assessment Year (AY)
These are defined under the Income Tax Department (India).
🧾 1. What is Tax Year 2026–27?
✔ Meaning
Also called Financial Year (FY) 2026–27
Period: 1 april 2026 to 31 march 2027
This is the year in which you earn income
💡 Example
Salary, business income, rent earned during this period = Tax Year income
📊 2. What is Assessment Year (AY) 2026–27?
✔ Meaning
This is the year after the income is earned
It is the year when you:
File your Income Tax Return (ITR)
Get your income assessed by the tax department
⚠️ Important correction:
👉 AY 2026–27 corresponds to income earned in FY 2025–26, NOT FY 2026–27
🔑 Correct Mapping (Very Important)
Income Year
Assessment Year
FY 2025–26 (Tax Year 2025–26)
AY 2026–27
FY 2026–27 (Tax Year 2026–27)
AY 2027–28
🧠 3. Why the Confusion Happens
Many people wrongly assume:
“AY 2026–27 = income of 2026–27”
But actually:
AY is always next year of income
👉 Think of it like this:
You earn first (FY), then file and get assessed next year (AY)
🧾 4. Filing Rules for AY 2026–27 (FY 2025–26 Income)
For AY 2026–27, key rules include:
✔ ITR Filing Period
Usually starts: June–July 2026
Last date (non-audit cases): typically 31 July 2026
✔ Who must file?
Income above basic exemption limit
Foreign income/assets
High-value transactions
Tax deducted at source (TDS) claims
Business/profession income
📌 5. Key Filing Rules for AY 2027–28 (FY 2026–27 Income)
If you actually meant Tax Year 2026–27, then:
✔ AY will be 2027–28
Filing will happen in 2027
Income earned from april 2026–March 2027 is reported
⚖️ 6. Key Differences at a Glance
Feature
Tax Year (FY)
Assessment Year (AY)
Meaning
Year income is earned
Year income is assessed
Timing
Current year
Next year
Filing
Not applicable
ITR filing happens
Example
FY 2026–27
AY 2027–28
📌 Simple Summary
Tax Year = when you earn money
Assessment Year = when you file tax for that money
AY is always one year ahead of the Tax Year
🧠 One-Line Memory Trick
👉 “Earn in FY, File in next AY”
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