COMMENTARY COMBO – I for Direct Taxes—Master Guide to Income Tax Act 2025/Rules 2026 & Direct Taxes Ready Reckoner (DTRR) | Finance Act 2026 | G.S.R. No. 198(E) | Tax Year 2026-27 | 3 Books By Taxmann’s Editorial Board, M.K. Pithisaria, Abhishek Pithisaria, Vinod K. Singhania

COMMENTARY COMBO – I for Direct Taxes by Taxmann brings together three flagship direct tax titles into a single, integrated reference set covering the entire transition from the Income-tax Act 1961/Income-tax Rules 1962 regime to the Income-tax Act 2025/Income-tax Rules 2026 regime, fully updated for the Finance Act 2026 and applicable to Assessment Year 2026-27 and Tax Year 2026-27. The three titles operate as a coordinated set built on a single editorial logic: the Master Guide to Income Tax Act 2025 (37^th Edition) handles the substantive law of the new statute and its provision-by-provision comparative analysis against the 1961 Act; the Master Guide to Income Tax Rules 2026 (33^rd Edition) handles the subordinate legislative framework, mapping every one of the 333 rules of the 2026 Rules to its parent provision in the 2025 Act and its 1962 predecessor; and the Direct Taxes Ready Reckoner (50^th Golden Jubilee Edition) handles practitioner-grade computation, compliance, and rapid lookup. Across the three volumes, the set delivers depth-first commentary, complete TDS/TCS reckoners, the full body of CBDT administrative guidance, landmark judicial digests, bidirectional concordance tables, pre-computed tax liability tables, and worked numerical case studies—covering the Act, the Rules and the operational tax cycle in a single coordinated library.

This Combo is intended for the following audience:

• Chartered Accountants, Tax Consultants, Tax Practitioners and Direct Tax Counsel engaged in direct tax advisory, compliance, opinion work and litigation under the dual-regime period
• Advocates, Counsel and Litigation Practitioners appearing before assessing officers, the Dispute Resolution Committee, JCIT(A)/CIT(A), the Income Tax Appellate Tribunal, the Authority for Advance Rulings, High Courts and the Supreme Court
• Corporate Tax Teams, CFOs, Finance Controllers, Tax Heads and Corporate Secretarial Teams of companies, banks, NBFCs, insurance companies, mutual funds, AIFs, REITs, InvITs, IFSC entities and multinational groups
• Transfer Pricing Specialists, International Tax Practitioners and TP Officers handling arm’s length pricing, Safe Harbour, APA and MAP work
• GAAR, Faceless Assessment, Search & Seizure, Prosecution, Recovery and TDS/TCS Practitioners
• Officers of the Income Tax Department, Faculty of the National Academy of Direct Taxes and Departmental Staff requiring a working bench reference on the new statutory and procedural framework
• Trustees, Administrators and Auditors of recognised provident funds, approved superannuation funds, approved gratuity funds, charitable trusts, registered NPOs and electoral trusts
• Tax Policy Professionals, Academicians, Researchers and Faculty of National Law Universities, CA/CS/CMA programmes, LL.M. programmes in taxation, post-graduate diploma programmes in International Tax and Transfer Pricing, and ICAI/ICSI/ICMAI study circles
• Students of Advanced Direct Taxation requiring an integrated reference covering statutory text, procedural rules and practical computation

The Present Publication is the 2026 Edition, with the following publication details:

• Master Guide to Income Tax Act 2025—37^th Edition | 2026; authored by Taxmann’s Editorial Board; spanning 1,800+ pages across four Divisions; updated for the Finance Act 2026
• Master Guide to Income Tax Rules 2026—33^rd Edition | 2026; authored by Adv. M.K. Pithisaria and CA. Abhishek Pithisaria; over 1,700 pages covering all 333 rules; incorporates G.S.R. No. 198(E), dated 20-03-2026
• Direct Taxes Ready Reckoner—50^th Edition | Golden Jubilee Edition; authored by Dr Vinod K. Singhania; applicable to Assessment Year 2026-27 and Tax Year 2026-27; first published May 1978, commemorating fifty years of continuous annual publication under the same authorship

The noteworthy features of this Combo are as follows:

• [First Authoritative Comparative Commentary on ITA 2025 vs. ITA 1961] Chapter-by-chapter, para-by-para comparative analysis across all 20 subject-matter areas of the new statute, with every para following a disciplined three-part structure—position under the ITA 1961, corresponding section in the ITA 2025, and a full analysis of the change including legislative intent, interpretive implications and practical consequences. The commentary explains why each change was made, whether it is substantive or merely structural, and where interpretive uncertainty survives despite the new drafting
• [Rule-wise Five-layer Treatise on the 2026 Rules] Every one of the 333 rules is treated as an independent commentary unit, analysed across five layers—statutory background tracing the parent provision in the 2025 Act, sub-rule-wise procedural commentary, tabulated lists of notified items and authorities, a dedicated comparison table identifying every divergence from the 1962 Rules, and Author’s Notes flagging interpretational gaps, drafting inconsistencies and silent areas
• [Finance Act 2026 Fully Integrated] All three titles incorporate Finance Act 2026 amendments directly into the running commentary at the point of relevance, with explicit editorial discipline distinguishing changes originating from the new statute versus the most recent Finance Act. Where the Finance Act 2026 has not amended a provision of the 2025 Act, the commentary explicitly notes this
• [Bidirectional Concordance Across Both Regimes] Four front-matter concordance tables in the Rules volume (1962 Rules ↔ 2026 Rules; 1962 Forms ↔ 2026 Forms) and an exhaustive bidirectional section-wise cross-reference index in the Ready Reckoner mapping every section of the 1961 Act to its corresponding provision in the 2025 Act at the paragraph level—enabling instant location of any provision under either Act
• [Complete TDS/TCS Reckoner Under the New Regime] Tabular reference covering every withholding provision under the ITA 2025 with nine column-heads (nature of income, payer category, payee category, threshold, rate where PAN/Aadhaar is furnished, rate where not furnished, time of deduction/collection), all fourteen exemption categories separately tabulated, the rationalised uniform 2% TCS structure, LRS tiered rates and overseas tour package differentials; supplemented by rule-by-rule procedural commentary on Rules 203–221 and pre-computed withholding rate tables across 100+ provisions
• [Dual-Indexed CBDT and Judicial Compendia] Complete CBDT circulars, clarifications and notifications from 1961 through February 2026 and landmark Supreme Court and High Court rulings from 1922 through February 2026, each preceded by a section key mapped to ITA 2025 section numbers and an alphabetical key—preserving access to over a century of administrative and judicial guidance despite the renumbering of sections
• [Structural Transformation of the Statute Articulated] Systematic mapping of the architectural redesign of the statute—the elimination of ‘Previous Year’ and ‘Assessment Year’ in favour of the unified ‘Tax Year’, consolidation of NPO/trust provisions into a single dedicated chapter, recharacterisation of Section 10 exemptions as deductions, migration of 1,200 provisos and 900 explanations into sub-sections, clauses and sub-clauses, and the addition of five new schedules
• [Worked Numerical Case Studies and Multi-Scenario Analysis] Full numerical case studies on every Finance Act 2026 amendment, multi-scenario tax burden comparisons (voluntary disclosure, post-notice updated return, full reassessment, immunity), life insurance policy taxability matrix with consecutive case studies, the four new-regime rate categories under sections 199, 200, 201 and 202, and worked examples on shifts in limitation periods, investment thresholds, capital deployment timelines and valuation methodology
• [New vs. Old Tax Regime Parallel Analysis] All provisions presented in parallel for both regimes across every assessee category, with the four new-regime rate categories under sections 199, 200, 201 and 202 fully analysed—including eligible manufacturers (25%), default domestic companies (22% with fixed 10% surcharge and no MAT), new manufacturing companies (15%) and the default individual/HUF new regime with restricted exemptions and deductions
• [Pre-computed Tax Tables and Quick-reference Referencers] Eighteen Referencers covering tax rates, ICDS, depreciation, cost inflation index, withholding rates including DTAA, limitation periods, key compliance dates and the carry-forward of 1961 Act provisions into the 2025 Act framework; pre-computed tax liability tables for AY 2026-27/Tax Year 2026-27 by assessee category; and historical tax tables for the last six assessment years
• [Footnoted Citation System, Annexures and Integrated Guideline Material] Inline footnoted citations to the precise section, sub-section, clause, sub-clause, proviso and explanation of the 2025 Act, the corresponding 1961 Act provision, and the corresponding 1962 Rule and Form; supplemented by dedicated annexures attached to individual rules reproducing source CBDT circulars and notification material, and statutory guideline material reproduced in full where required —hospital approval guidelines, investment patterns for Recognised Provident Funds and Approved Superannuation Funds, electoral trust functioning norms and infrastructure debt fund setup conditions

The combined substantive coverage of the Combo spans:

• Statutory Framework and Tax Year Construct
  • Constitutional and definitional framework—basis of charge, residence, source rules, SEP thresholds, attribution of income to Indian assets, FMV computation for non-residents and the unified Tax Year construct
• Heads of Income
  • All five heads of income—salaries (with perquisites, allowances, retirement benefits, ESOP, pension commutation, provident fund, leave encashment, gratuity, VRS exemptions, salary from foreign employer); house property (with self-occupied, let-out, deemed let-out, co-ownership and deemed ownership treatment); business and profession (with ICDS overrides, depreciation, presumptive taxation, GAAR, MAT/AMT, book-keeping and audit obligations); capital gains (with indexation, holding periods, capital gains exemption chain, ULIP taxation, electronic gold receipts, agricultural land, slump sale and merger/demerger tax neutrality); and income from other sources (with the life insurance taxability matrix, keyman insurance and business trust distributions)
• Aggregation, Set-off and Carry-forward
  • Aggregation, clubbing of income across spousal, minor child and HUF dimensions, set-off and carry-forward of losses with the eight-year/indefinite carry-forward matrix
• Deductions, Exemptions and the New Tax Regime
  • Deductions, exemptions and the consolidated new tax regime architecture across individuals, HUFs, AOPs, BOIs, firms, co-operative societies and the four new-regime rate categories
• Registered NPOs and Charitable Trusts
  • Registered NPO and charitable trust taxation under the redesigned dedicated framework—registration, commercial activity restrictions, application and accumulation of income, accreted income, specified violations, merger non-triggering provision and donation statements
• Transfer Pricing and International Taxation
  • Transfer pricing—arm’s length pricing methodology (CUP, RPM, CPM, PSM, TNMM), multi-year ALP, secondary adjustment interest, TP documentation, accountant’s report, Safe Harbour, APA, MAP and CbC reporting
  • International taxation—POEM, royalty and FTS, double taxation relief, Foreign Tax Credit, IFSC/OBU provisions, fund relocation capital gains, eligible investment fund regime and non-resident liaison office reporting
• Anti-Avoidance and Special Tax Regimes
  • Anti-avoidance—GAAR consequences, carve-outs and reference procedures
  • Special tax regimes—MAT, AMT, tonnage tax, online gaming, virtual digital assets and presumptive schemes for goods carriage, shipping, airlines, civil construction, cruise shipping and electronics manufacturing
• Withholding, Advance Tax, Penalties and Prosecution
  • TDS, TCS, advance tax, interest, penalties and prosecution—including the migration from rigorous to simple imprisonment, graded punishment structures and decriminalisation of specified offences
• Returns, Assessments and Faceless Proceedings
  • Return filing, updated returns (with the graded 34%–70% additional tax structure), faceless assessment, modified returns on business reorganisation, defective returns and block assessment
• Search, Seizure and Recovery
  • Search, seizure, requisition of books, release of assets, distraint and recovery proceedings
• Appeals and Dispute Resolution
  • Appeals and dispute resolution—JCIT(A), CIT(A), ITAT, Dispute Resolution Committee, Board for Advance Rulings, High Courts and the Supreme Court
• Trust-Structured Funds and Welfare Vehicles
  • Provident funds, superannuation funds, gratuity funds, insurance reserves, infrastructure debt funds and electoral trusts—including investment patterns, approval guidelines, taxable interest on PF contributions exceeding specified limits and exempt income computation
• Cryptocurrency, VDAs and Financial Reporting
  • Cryptocurrency and Virtual Digital Assets—crypto asset statement obligations and the Crypto-Asset reporting framework
  • Statement of Financial Transactions, Annual Information Statement and reportable accounts
• Pre-computed Tables and Reference Data
  • Pre-computed tax tables, gold and silver rate tables (current year, last ten AYs, 1^st April 1981 and 1^st April 2001), cost inflation index, NSC interest tables and depreciation rate tables across the Income-tax Act, power generating units and the Companies Act 2013
• CBDT and Judicial Compendia
  • Compendium of CBDT circulars, clarifications and notifications from 1961 through February 2026
  • Landmark Supreme Court and High Court rulings from 1922 through February 2026, indexed by ITA 2025 section number and by subject across over 120 subject heads
• Concordance and Compliance Calendar
  • Bidirectional concordance—1961 Act ↔ 2025 Act sections; 1962 Rules ↔ 2026 Rules; 1962 Forms ↔ 2026 Forms
  • Compliance calendar and key direct tax due dates for AY 2026-27 and Tax Year 2026-27

The combo is structured as three independently bound volumes, each following a distinct internal architecture suited to its function. The volumes are designed to operate together, with cross-reference points keyed to ITA 2025 section numbers and ITR 2026 rule numbers.

• Master Guide to Income Tax Act 2025 — Four Divisions
  • Division One | Comparative Commentary. Each chapter opens with a numbered ‘Overview’ para listing all changes in the subject area, followed by individual numbered paras in a standard three-part format—position under ITA 1961 → corresponding ITA 2025 provision → analysis of change. Cross-references between chapters are provided where changes in one area have consequential implications in another
  • Division Two | TDS/TCS Rate Reckoner. Master table format for TDS and a separate table for TCS, with nine column-heads and footnoted conditions for rates-in-force, specified persons, PAN/Aadhaar differentials and exemptions
  • Division Three | CBDT Circulars, Clarifications & Notifications, 1961–February 2026. Preceded by two independently usable indices—a section key organised by ITA 2025 section number and an alphabetical key
  • Division Four | Landmark Rulings of the Supreme Court and High Courts, 1922–February 2026. Organised under ITA 2025 section numbers, preceded by a section key and an alphabetical key covering over 120 subject heads
• Master Guide to Income Tax Rules 2026 — Rule-by-rule from Rule 1 through Rule 333
  • Opens with four front-matter concordance tables (1962 Rules ↔ 2026 Rules; 1962 Forms ↔ 2026 Forms), each reproducing the heading of the rule/form on both sides for instant reconciliation
  • Each rule-unit follows a uniform internal architecture—statutory anchor header identifying the rule of the 2026 Rules, the relevant section of the 2025 Act and the corresponding rule of the 1962 Rules; statutory background; sub-rule-wise procedural commentary; tabulated notified items; comparative table (2026 Rules vis-à-vis 1962 Rules); Author’s Notes and footnotes
  • Inline citations of judicial precedent and CBDT material at the sub-paragraph level, with full case names, citations, court benches and dispositions
  • Dedicated annexures attached to individual rules reproducing source CBDT circulars, departmental clarifications, statutory schemes, guideline-text and notification material
• Direct Taxes Ready Reckoner — Four Discrete Parts
  • Part A | Study of Direct Taxes—the analytical core, containing 18 Referencers followed by chapter-by-chapter coverage of every head of income, procedural provision and compliance obligation, with integrated statutory analysis, computational illustrations, case studies and cross-references in a single integrated narrative
  • Part B | Tax Tables for AY 2026-27/Tax Year 2026-27—pre-computed tax liability tables organised by assessee category (individuals under new and old regime, HUFs, AOPs, BOIs, firms, domestic companies, foreign companies, co-operative societies) and by TDS/TCS rate category
  • Part C | Market Quotations—gold and silver rate tables for fair market value and indexed cost of acquisition computations
  • Part D | Tax Tables of Past Six Assessment Years (AY 2020-21 to AY 2025-26)—historical tax computation tables for individuals, HUFs and AOPs, enabling backward-looking liability computation for pending assessments, reassessments and appeals without recourse to prior-year volumes