India's most comprehensive practitioner's guide to the Goods & Services Tax framework — authored by former enforcement officers of CGST, Customs, DRI and ED. Covers legislation, rules, forms, rates and real-world case analysis.
India's dual GST model — a historic constitutional amendment replacing 17+ Central & State taxes under a unified indirect tax regime.
Primary legislation governing intra-state supplies at Central level. 174 Sections across 21 Chapters covering registration, levy, ITC, returns, assessment and penalties.
Governs inter-state supplies and imports. Determined by place of supply provisions. Revenue shared between Centre and destination State.
Guarantees States 14% revenue growth for 5 years. Cess levied on luxury/demerit goods. Extended to June 2026 by GST Council.
28 States + 2 UTs (with legislature) each enacted mirror SGST Acts. Collected by State Governments on intra-state transactions.
Applicable to 5 UTs without legislature. Administered by Central Government. Structured identically to CGST for symmetry.
Article 246A grants concurrent powers to Parliament & State Legislatures for GST. Article 269A covers IGST. Passed 3 August 2016.
Five-tier rate structure approved by the GST Council — from exempted essentials to luxury goods.
Comprehensive legislation enacted by Parliament on 12 April 2017 — came into force on 1 July 2017.
The principal GST legislation. Covers levy & collection, registration, tax invoice, input tax credit, payment, returns, assessment, audit, advance ruling, appeals, offences & penalties. 174 Sections, 14 Schedules.
Governs inter-state supply of goods & services, import of goods, and supply to SEZs. Contains crucial Place of Supply provisions (Section 10–13) and Zero-rated supply provisions. 25 Sections.
Mirrors CGST for Union Territories without legislatures — Andaman & Nicobar Islands, Chandigarh, Dadra & Nagar Haveli, Daman & Diu, and Lakshadweep. Administered by Central Government. 26 Sections.
Guarantees States a 14% annual revenue growth for 5 years from 1 July 2017. GST Compensation Cess levied on specified luxury and demerit goods (tobacco, cars, aerated drinks). Extended post-COVID.
CGST Rules 2017 — 136 Rules across 12 parts framing operational procedures for the GST regime.
Eligibility, threshold, documents, cancellation and revocation of GST registration.
Conditions, intimation, effective date and withdrawal of composition scheme.
Tax invoice format, e-invoice, credit notes, debit notes and revised invoices.
Books of accounts, electronic records, retention period and audit trail requirements.
ITC eligibility, matching, reversal, reclaim and special situations like job work and ISD.
Electronic cash/credit ledger, TDS/TCS, interest calculation and utilisation order.
GSTR-1 to GSTR-11 formats, due dates, QRMP scheme, NIL returns and annual reconciliation.
Self-assessment, provisional assessment, scrutiny, best judgment and audit procedures.
Refund of ITC on exports, zero-rated supplies, inverted duty structure and time limits.
Application, procedure and binding nature of Advance Ruling Authority orders.
Filing of appeals before Appellate Authority, GST Appellate Tribunal and High Courts.
Generation, modification, cancellation of e-way bills for movement of goods above ₹50,000.
Commencement and definitions under IGST Rules aligned with CGST Act definitions.
Mechanism for distributing IGST revenue between Centre and States as per GST Council recommendations.
Determination of State where tax is credited when both CGST and SGST are discharged.
Order of set-off: IGST ITC used first against IGST, then CGST, then SGST liabilities.
List of goods where IGST is levied as countervailing duty equivalent at the time of import.
Export of goods/services and supply to SEZ units are zero-rated — ITC refund or LUT/bond allowed.
Permanent transfer of business assets, supply between related persons, import of services from related party abroad.
Classifies specific transactions — works contracts, food in restaurants, renting of immovable property etc. as goods or services.
Includes services by employee to employer, actionable claims (except lottery/gambling), funeral services, sale of land.
Activities by Central/State Governments or Local Authorities treated as supply for certain specified activities only.
Goods exempted under Notification No. 2/2017-CT(Rate) and services under Notification No. 12/2017-CT(Rate) & 9/2017-IT(Rate).
Specific cess rates on pan masala, tobacco, coal, aerated drinks, motor vehicles — over and above 28% GST rate.
Valuation when part consideration is non-monetary — open market value / cost of supply method.
Supply between related/distinct persons to be valued at open market value; option for 90% rule for ITC-eligible recipients.
Principal-agent transactions valued at open market value of goods at time of supply by agent.
110% of cost of production / manufacture / acquisition where value cannot be determined by other rules.
Reasonable means consistent with principles and general provisions of Section 15 — best judgment valuation.
Money changers, air travel agents, life insurance, secondhand goods dealers, token/voucher issuers.
15 prescribed return forms under the GST regime — each serving a distinct compliance purpose for different taxpayer categories.
Details of all outward supplies of goods & services made during the tax period.
Monthly / Quarterly (QRMP)Auto-drafted amendments to GSTR-1 based on changes made by recipients in their GSTR-2B.
As applicableAuto-populated read-only view of inward supplies from suppliers' GSTR-1 filings.
Dynamic / View OnlyFixed auto-drafted ITC statement generated on 14th of each month for the previous period.
Monthly (Auto)Summary return declaring total outward, inward supplies and net tax payable for the period.
MonthlyAnnual return for taxpayers under Composition Scheme. Earlier quarterly, now annual from FY 2019-20.
AnnualReturn for non-resident foreign taxable persons supplying goods/services during temporary registration.
MonthlyOnline Information & Database Access or Retrieval service providers supplying to non-registered persons.
MonthlyFiled by ISD to report ITC received and distributed to branches / units under their registration.
MonthlyFiled by deductors (Govt. entities, PSUs etc.) for TDS deducted under Section 51 of CGST Act.
MonthlyFiled by e-commerce operators for tax collected at source under Section 52 of CGST Act.
MonthlyComprehensive annual reconciliation of all monthly returns filed during the financial year.
Annual (31 Dec)Self-certified reconciliation between annual return (GSTR-9) and audited financial statements.
Annual (turnover >₹5Cr)One-time return filed within 3 months of cancellation of GST registration to close all liabilities.
One-time on CancellationFiled by entities with Unique Identification Number (embassies, UN bodies) to claim refund of GST paid.
MonthlyFrom the first discussion in 2000 to India's biggest tax reform — a two-decade journey.
PM Atal Bihari Vajpayee sets up an Empowered Committee of State Finance Ministers to design GST model.
FM P. Chidambaram announces GST target of 1 April 2010 in Union Budget 2006-07.
Empowered Committee releases First Discussion Paper on GST — dual GST model proposed.
Parliament passes 122nd Constitution Amendment Bill. President assents — Article 246A inserted.
GST Council constituted under Article 279A with Union FM as Chairperson and State FMs as members.
CGST, IGST, UTGST and Compensation Acts receive Presidential assent on 12 April 2017.
PM Modi & President Pranab Mukherjee launch GST at midnight Parliament session. "One Nation One Tax" becomes reality.
e-Invoice mandate, QRMP scheme, GSTR-2B, fake ITC crackdown, GST Appellate Tribunal notification.
GST Council recommends rate rationalisation. HSNS Cess introduced. IMS (Invoice Management System) launched. Biometric Aadhaar authentication for registration.
Key CBIC notifications and circulars from 2025-26 — updated from cbic-gst.gov.in.
Official government portals for GST compliance, filing, e-invoicing and verification.
Former enforcement officers turned advisors — bringing insider command over GST law, enforcement and litigation.