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Tax guides, in plain language

Practical guides to Indian tax and compliance, every section, form and due date, decoded by practising Chartered Accountants. Updated for AY 2026-27.

Tax guides
15 guidesreviewed by our CA team
Registered CA firm15 guides on fileIncome Tax · GST · TDS · ROC AY 2026-27
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Income tax notice reply guide§143(1)Featured guide
Income Tax·§143(1)·Updated 2026

Income Tax Notice Reply Guide

Got an income tax notice? What 143(1) intimations, 139(9) defective notices and 148 mean, deadlines to reply, and how a CA responds correctly.

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Income tax notice response guideIncome TaxNew

Got an Income Tax Notice? What Each Type Means and How to Respond

What 143(1), 139(9), 143(2) and 245 notices mean, the reply deadline for each, and what ignoring them costs.

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AIS Form 26AS reconciliationIncome TaxNew

AIS and Form 26AS Mismatch: Fix It Before It Triggers a Notice

The top trigger for a 143(1) notice and refund delays. How to reconcile AIS, 26AS and TIS before you file.

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Old vs new tax regime comparisonIncome TaxNew

Old vs New Tax Regime for AY 2026-27: Which One Saves You More?

How the two regimes compare, who each suits, and the late-filing trap that locks you into the new regime.

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Which ITR form to fileIncome TaxNew

Which ITR Form Should You File for AY 2026-27?

ITR-1 to ITR-4 explained in plain language, including the new rule letting ITR-1 cover two house properties.

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TDS refund Form 26AS fixIncome TaxNew

TDS Deducted But Not Showing in Form 26AS? Here is How to Fix It

Why deducted TDS goes missing from 26AS, how to get it corrected, and how to protect your refund.

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ITR filing deadline calendarIncome TaxNew

ITR Filing Last Date for AY 2026-27: The Complete Deadline Calendar

Every ITR deadline for AY 2026-27 in one calendar: 31 July salaried, 31 August business, plus belated and revised dates.

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Belated ITR return filingIncome TaxNew

Missed the ITR Deadline? File a Belated Return

Missed 31 July? File a belated return up to 31 December 2026. The penalties, what you lose, and how to file it right.

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Late ITR filing penaltyIncome TaxNew

Late ITR Filing Penalty: What Section 234F Costs You

The ₹5,000 fee is only the headline. Interest and lost loss carry-forward often cost far more. The full picture.

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Revised ITR returnIncome TaxNew

Made a Mistake in Your ITR? File a Revised Return

Fix a wrong figure or missed deduction. For AY 2026-27 you now have until 31 March 2027 to revise your return.

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ITR-U updated returnIncome TaxNew

ITR-U: File an Updated Return up to 48 Months Late

Missed even the belated window? ITR-U is your last legal route to come clean, up to 48 months after the assessment year.

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Accounting and bookkeeping for a small business IndiaCompany Law2026

Accounting and Bookkeeping for a Small Business: What Good Looks Like

What proper bookkeeping delivers, cash vs accrual, the records the law expects, and when to move from doing it yourself to outsourcing.

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Government schemes MSME startups Udyam DPIITCompany Law2026

Government Schemes for MSMEs and Startups: The Two Gateways

Why Udyam and DPIIT recognition are the two gateways, the 80-IAC tax holiday, the seed fund, credit guarantees, and how state incentives stack.

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Ind AS applicability net worth 250 crore roadmapCompany Law2026

Ind AS Applicability: The ₹250 Crore Threshold and the Group Trigger

When Indian Accounting Standards become mandatory, the net worth threshold, the group-company trigger most people miss, and where banks and NBFCs stand.

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Business and share valuation India who signs registered valuer merchant bankerCompany Law2026

Business and Share Valuation: Who Signs What, and When

The trap that gets reports rejected: IBBI valuer for Companies Act, SEBI merchant banker for Rule 11UA DCF, CA for FEMA and NAV. Plus 56(2)(x) and angel tax.

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RERA compliance registration escrow quarterly returnsCompany Law2026

RERA Compliance: Registration, the 70% Escrow, and Quarterly Returns

When RERA registration is mandatory for developers and agents, the 500 sq.m / 8-apartment threshold, the 70% escrow rule, and the penalties.

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Digital Signature Certificate DSC Class 3 guideCompany Law2026

Digital Signature Certificate (DSC): What It Is and How to Get One

Why Class 3 is now the only class, signing vs encryption certificates, validity and the USB token, and how to obtain a DSC via video eKYC.

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Repatriating money from India: NRO limit and Form 15CA 15CBIncome TaxNRI · FEMA

Repatriating Money from India: The USD 1M NRO Limit and Form 15CA/15CB

How an NRI moves money out of India, the USD 1 million NRO limit, when a CA certificate (15CB) is needed, and why NRE funds need neither.

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What a virtual CFO delivers: MIS, cash flow and board reportingVirtual CFOGuide

What Does a Virtual CFO Actually Deliver?

Beyond the title: the concrete monthly outputs, MIS packs, cash-flow forecasts, unit economics, board decks, and how to judge if you are getting real value.

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Tax audit under Section 44AB limits and formsAudit2026-27

Tax Audit Under Section 44AB: Limits, Forms and Due Dates

When a tax audit is mandatory, the ₹1 crore and ₹10 crore rules, Forms 3CA/3CB/3CD (now Form 26), the dates, and the 271B penalty.

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GST Compliance: A Practical Guide (Complete Hub)Guide HubGST

GST Compliance: A Practical Guide (Complete Hub)

The GST journey in three stages, know when you need to register, claim your input tax credit correctly, and reply to notices before they become demands. Four guides.

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GST Registration: Who Needs It and the Turnover ThresholdsGST2026-27

GST Registration: Who Needs It and the Turnover Thresholds

₹40 lakh for goods, ₹20 lakh for services, and sometimes from your first sale. The thresholds, the catch in the goods limit, and who must register regardless of turnover.

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Company Compliance: The Founder's Guide (Complete Hub)Guide HubCompany

Company Compliance: The Founder's Guide (Complete Hub)

The whole lifecycle in four stages, choose your structure, survive your first year, meet your annual ROC and audit obligations, and add a CFO as you scale. Seven guides.

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The Salaried Taxpayer's Guide (Complete Hub)Guide HubSalaried

The Salaried Taxpayer's Guide (Complete Hub)

Everything a salaried employee needs across the tax year, reading Form 16, choosing your regime, claiming HRA, filing on time, and fixing a stuck refund or notice. Nine guides, in order.

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The Income Tax Act 2025, Explained (Complete Hub)Guide HubAct 2025

The Income Tax Act 2025, Explained (Complete Hub)

The 1961 Act is replaced from 1 April 2026. Our full hub ties together the Tax Year, renumbered sections, Section 123, Form 130 and what actually changes, one topic at a time.

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Form 16 Explained: How to Read It and File From ItIncome TaxSalaried

Form 16 Explained: How to Read It and File From It

What Part A and Part B contain, how to reconcile with Form 26AS and AIS, filing your ITR from it, and the job-change trap. The salaried filer's Form 16 guide for AY 2026-27.

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ITR Filing Deadline AY 2026-27: Dates, Late Fees & ConsequencesIncome TaxDeadline

ITR Filing Deadline AY 2026-27: Dates, Late Fees & Consequences

31 July 2026 for most individuals. Miss it and you face a ₹5,000 fee, 234A interest, and lose the old regime and loss carry-forward. Every date and consequence.

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When Does a Startup Actually Need a Virtual CFO?Virtual CFOGuide

When Does a Startup Actually Need a Virtual CFO?

The real signs you need a virtual CFO, when you do not yet, the strategy-vs-bookkeeping label trap, how the cost compares to a full-time hire, and the mistakes to avoid.

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Director KYC (DIR-3): The Deadline That Deactivates Your DINCompany LawDirectors

Director KYC (DIR-3): The Deadline That Deactivates Your DIN

Miss DIR-3 KYC and the MCA deactivates your DIN, freezing every company filing that needs your signature. The new 3-year rule, who must file, and the ₹5,000 cost.

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First-Year Compliance Checklist for a New CompanyCompany LawChecklist

First-Year Compliance Checklist for a New Company

The compliance clock starts at incorporation. First auditor in 30 days, INC-20A within 180, then the annual ROC cycle. The full first-year checklist and the penalties for missing it.

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Salaried with Capital Gains? Why You File ITR-2Income TaxAY 2026-27

Salaried with Capital Gains? Why You File ITR-2

Sold shares, mutual funds or property? That gain usually moves you off ITR-1 onto ITR-2. The rates, grandfathering, Schedule CG, and matching your AIS.

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Private Limited vs LLP vs OPC: 2026 Decision GuideCompany Law2026

Private Limited vs LLP vs OPC: 2026 Decision Guide

Compare tax, compliance, funding and liability across all three. Which structure fits a funded startup, a low-compliance partnership, or a solo founder, and how to decide.

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How to Respond to a GST Show Cause NoticeGSTNotice

How to Respond to a GST Show Cause Notice

Got a DRC-01? How to read it, verify its validity, reply in DRC-06 within 30 days, the Section 73 vs 74 difference, and how early payment cuts the penalty.

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Advance Tax for Freelancers: The 234B/234C TrapIncome Tax2026-27

Advance Tax for Freelancers: The 234B/234C Trap

If your tax after TDS tops ₹10,000 you owe advance tax. The four due dates, how 234B and 234C interest works, and the single-instalment relief for presumptive filers.

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Section 43B(h): The 45-Day MSME Payment RuleIncome TaxMSME

Section 43B(h): The 45-Day MSME Payment Rule

Pay micro and small suppliers within 15 or 45 days or the expense is disallowed until you pay. Who it applies to, the 45-day cap trap, and how to stay compliant.

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GST Input Tax Credit: Rules, Reversals & MistakesGST2026

GST Input Tax Credit: Rules, Reversals & Mistakes

The Section 16 conditions, GSTR-2B matching, the 180-day rule, blocked credits under 17(5), and the common mistakes that trigger reversal demands and 18% interest.

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Presumptive Taxation: 44AD vs 44ADA vs 44AEIncome Tax2026-27

Presumptive Taxation: 44AD vs 44ADA vs 44AE

44AD for businesses, 44ADA for professionals, 44AE for transporters. The limits, the rates, the five-year lock-in, and when presumptive actually costs more.

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TDS on Rent: Section 194-I and 194-IB ExplainedTDS2026-27

TDS on Rent: Section 194-I and 194-IB Explained

Who deducts TDS on rent, at what rate, and when. Section 194-I for businesses, 194-IB for individuals over ₹50,000/month, with Form 26QC and the traps to avoid.

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Form 16 Becomes Form 130: What to ExpectTDSNew form

Form 16 Becomes Form 130: What to Expect

Form 16 is now Form 130, with Form 24Q becoming 138 and Form 12BB becoming 124. What changes for salaried staff and payroll teams, and the transition timeline.

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Section 80C is Now Section 123: What to KnowIncome TaxDeductions

Section 80C is Now Section 123: What to Know

Same ₹1.5 lakh, same PPF, ELSS and LIC, now under Section 123 and Schedule XV. What changed, the old-regime rule, and the mistakes to avoid.

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Tax Year vs Financial Year vs Assessment YearIncome TaxExplainer

Tax Year vs Financial Year vs Assessment Year

From April 2026 one "Tax Year" replaces both FY and AY. The difference, with dates and examples, and which term applies to which filing.

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Old vs New Section Numbers: Complete Mapping TableIncome TaxReference

Old vs New Section Numbers: Complete Mapping Table

80C is now 123, 44AB is 63, all TDS sections merged into 392 and 393. The full old-to-new section mapping for the Income Tax Act 2025.

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Income Tax Act 2025: What Actually Changes for YouIncome TaxNew Act

Income Tax Act 2025: What Actually Changes for You

The 1961 Act is replaced from 1 April 2026. What changes, what stays the same, the new Tax Year concept, and the section renumbering, in plain language.

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ITR Refund Not Received? Status, Delays & Fixes AY 2026-27Income TaxAY 2026-27

ITR Refund Not Received? Status, Delays & Fixes AY 2026-27

Waiting for your income tax refund for AY 2026-27? How to check status, why refunds get stuck, Section 244A interest, and how to fix failed refunds.

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Missed 31 July? Belated & Revised Returns 139(4)/139(5)Income Tax§139(4)

Missed 31 July? Belated & Revised Returns 139(4)/139(5)

Missed the ITR deadline for AY 2026-27? How belated returns under 139(4), revised returns under 139(5), late fees u/s 234F and interest u/s 234A work.

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Capital Gains Tax on Shares & Mutual Funds AY 2026-27Income Tax§112A

Capital Gains Tax on Shares & Mutual Funds AY 2026-27

LTCG and STCG rules for equity shares and mutual funds for AY 2026-27: rates, the ₹1.25 lakh exemption, debt fund taxation, and how gains go into ITR-

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How to Claim HRAIncome Tax§10(13A)

How to Claim HRA

Claim HRA exemption under Section 10(13A) correctly: the 3-part formula, rent receipts, landlord PAN above ₹1 lakh, paying rent to parents, and ITR re

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Freelancer Taxes: Section 44ADA Presumptive Scheme GuideIncome Tax§44ADA

Freelancer Taxes: Section 44ADA Presumptive Scheme Guide

How freelancers and professionals use Section 44ADA presumptive taxation: the 50% rule, ₹75 lakh limit, advance tax in one shot, GST interplay and ITR

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GST Notice Reply GuideGSTDRC-01

GST Notice Reply Guide

How to reply to GST notices: GSTR-3B vs GSTR-2B ITC mismatches, ASMT-10, DRC-01/01A, REG-17 cancellation threats, deadlines and reply formats.

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TDS on Property PurchaseTDSForm 26QB

TDS on Property Purchase

Buying property over ₹50 lakh? How 1% TDS under Section 194-IA works, filing Form 26QB, Form 16B for the seller, NRI seller rules, and penalty traps.

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Advance Tax FY 2026-27Income Tax§234C

Advance Tax FY 2026-27

Advance tax instalments for FY 2026-27: 15 June, 15 Sept, 15 Dec, 15 March percentages, who must pay, interest under 234B/234C, and how to pay online.

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Professional Tax in MaharashtraGSTPTRC

Professional Tax in Maharashtra

Maharashtra Professional Tax explained: employee slabs, PTEC vs PTRC, who must register, due dates, exemptions for women and seniors, and penalties.

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NRI Selling Property in IndiaIncome Tax§195

NRI Selling Property in India

TDS rules when an NRI sells Indian property: Section 195 rates on capital gains, the buyer's TAN duty, lower deduction certificate (Form 13), and repa

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Company Annual Filing CalendarCompany LawAOC-4

Company Annual Filing Calendar

Private limited & LLP annual compliance calendar: AGM timing, AOC-4, MGT-7/7A, DIR-3 KYC, ADT-1, LLP Form 8 & 11 deadlines and late fees of ₹100/day.

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ITR-2 Filing for AY 2026-27: Guide to the 15 Key SchedulesIncome TaxITR-2

ITR-2 Filing for AY 2026-27: Guide to the 15 Key Schedules

The ITR-2 form looks intimidating the first time you open it, 15+ schedules, each asking for details you didn't know you had to track. Here's what eac

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NRI Taxation & FEMA: Residential Status, Taxable Income & CoIncome TaxFEMA

NRI Taxation & FEMA: Residential Status, Taxable Income & Co

NRI taxation explained, the 182-day residency test, what income is taxable in India, NRO vs NRE accounts, and the FEMA rules every NRI should know.

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TDS on Salary (Section 192): How Your Employer Calculates ItTDS§192

TDS on Salary (Section 192): How Your Employer Calculates It

How TDS on salary works under Section 192, the average-rate calculation, investment declarations, regime choice, and how to stop excess deduction.

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