How to Crack CA Inter Taxation
Weightage: Method chapter. It carries no marks of its own and both halves of the paper depend on the discipline it describes.
Two papers, one cover
Section A is Income-tax Law. Section B is Goods and Services Tax. They carry fifty marks each, and beyond sharing a syllabus document they share almost nothing — different vocabulary, different logic, different computation formats. A candidate strong in one and vague in the other reliably lands near the pass mark rather than comfortably above it, because the paper does not let strength in one half compensate for weakness in the other the way a single coherent subject might.
Treat this as literally two papers to prepare, each needing its own hours, its own revision cycle and its own past-question practice. The commonest planning error is to let familiarity with one half — usually GST, because its logic is more mechanical — crowd out preparation time for the other.
The fixed skeleton of an income-tax computation
Every income-tax problem, however the facts are dressed up, resolves to the same statement, in the same order:
- Compute income under each of the five heads — Salaries, House Property, Business or Profession, Capital Gains, Other Sources.
- Apply clubbing provisions, where income of another person is included in the assessee's total income.
- Aggregate the heads to Gross Total Income.
- Apply set-off and carry-forward of losses.
- Deduct Chapter VI-A deductions to arrive at Total Income.
- Compute tax on Total Income at the applicable rates and regime.
- Adjust for rebate, surcharge, and cess.
- Adjust for advance tax and TDS/TCS already paid.
Reproducing that skeleton, in that order, with a heading for each stage, earns marks before a single figure is confirmed correct — because ICAI's suggested answers are laid out exactly this way, and an examiner marking two hundred scripts finds what is visibly in the right place. A candidate who computes correctly but presents as one undifferentiated block of arithmetic loses marks that a candidate with a lower final figure, presented in the skeleton, keeps.
Show the section for every allowance, every disallowance, every deduction. Not because the number is worthless without it, but because the reasoning is what is marked. "Depreciation ₹40,000" earns less than "Depreciation under section 32 at 15% on ₹2,66,667 (W.N. 2)."
The fixed skeleton of a GST problem
Nearly every GST question resolves to four questions asked in the same order, and the order matters because each answer depends on the one before it.
Is this a supply? Section 7 defines it, and if the answer is no, nothing else in the Act applies.
Is it taxable, or exempt, or a non-supply (Schedule III)? A supply that is exempt or outside Schedule I still needs classification, because the consequences differ.
When does the liability arise — the time of supply? This fixes the tax period in which the liability falls.
On what value, and at what rate? Value under section 15, rate from the notified schedule.
Work through those four questions in order on every GST problem, and most of what looks like a hard question resolves itself, because the difficulty is almost always in one of the four steps and the others are routine once identified.
Read the section, not just the outcome
Both halves of this paper are drafted with thresholds — turnover limits, monetary limits, time limits, percentage limits — and more marks turn on getting a threshold right than on any other single category of knowledge in the paper. A rate slightly wrong is a computational slip; a threshold applied wrongly changes which regime, which exemption, or which registration requirement applies at all, and corrupts everything downstream.
Keep a running threshold table, exactly as recommended for Paper 2, grouped by kind rather than by chapter: every turnover limit together, every time limit together, every percentage together. Revise from the table in the final weeks.
Know which Act you are being examined on
This is a fact specific to the current transition and worth stating precisely, because getting it wrong means studying from the wrong book entirely.
Section A of this paper is examined on the Income-tax Act, 1961 for the May 2026, September 2026 and January 2027 sittings. The Income-tax Act, 2025, which received Presidential assent on 21 August 2025 and takes effect from 1 April 2026, becomes examinable from the May 2027 sitting onward. The two Acts differ in section numbering and in structural presentation even where the substance carries over, so a candidate sitting before May 2027 who studies from material rewritten for the new Act will cite the wrong sections throughout, and a candidate sitting after May 2027 who relies on old material will do the same in reverse.
Check the applicability line printed on the cover of any book or course before relying on it. Section B, GST, is unaffected by this transition and carries no such caution.
GST changes every year — check the current position
Unlike much of company law, GST rates, exemption notifications, threshold limits and procedural rules are amended frequently by notification, and a study source that was accurate eighteen months ago can be materially out of date. Before an examination, verify current rates and thresholds against ICAI's own study material and the statutory update circulated for that sitting, rather than trusting a fixed memory of "the GST rate."
Time management across the two sections
Three hours for one hundred marks, seventy descriptive and thirty case-scenario MCQ, with fifty marks in each of Section A and Section B.
A defensible split: roughly 80 minutes on Section A, 80 minutes on Section B, and the remaining time on the thirty-mark objective section, which spans both. Do not let a strong opening question in one section run long at the expense of the other — the marginal mark on a question you are already answering well is worth less than the first mark on a question in the section you have not yet touched.
Attempt every objective question. There is no negative marking at Intermediate level, so a blank is worth zero and any answer is worth strictly more than zero in expectation.
The single highest-return habit in this paper
Work full income statements and full GST computations under time from the beginning of preparation, not in the final month. A computation worked slowly, with the book open, teaches a different skill from the one the examination tests. The gap between recognising a rule when it is shown to you and producing the right treatment from a blank page is the whole of what remains to be learned once the reading is done, and it is invisible until you try to close it.
