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📚 Learn › Paper 3 — Taxation › Chapter

Returns of Income, Assessment & Penalties

Sections 139–271 of Income Tax Act — filing of returns, summary/scrutiny/best-judgement assessment, reassessment, under-reporting penalty. Expect 6–8 marks per attempt.

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6 microlessons in this chapter
Read each in 5 minutes. Each has worked examples + the bare Act text for reference.
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All lessons

1
Section 139 — Return of Income
Section 139 Income Tax Act: who must file ITR, key due dates (31 Jul/30 Sep/30 Nov), belated & revised returns, and the critical loss carry-
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2
Section 140A — Self-Assessment
Section 140A self-assessment tax: how to calculate, pay before filing ITR, interest u/s 234A & 234B, and the Fee→Interest→Tax priority rule
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3
Section 143 — Summary & Scrutiny Assessment
Section 143 Income Tax Act: CPC intimation, scrutiny notice time limit (6 months), and faceless assessment explained simply for CA Inter May
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4
Section 144 — Best Judgement Assessment
Section 144 best judgment assessment: when AO estimates your income after you ignore tax notices. Rules, procedure & exam tips for CA Inter
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5
Section 147 — Income Escaping Assessment
Section 147 Income Tax Act: When can AO reopen your assessment? Time limits, foreign asset exception & escaped income — explained for CA Int
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6
Section 270A — Penalty for Under-reporting of Income
Section 270A Income Tax Act: penalty 50% for under-reporting and 200% for misreporting of income — rates, calculation formula, exclusions ex
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