GST: Introduction, Supply, Charge and Place of Supply
Weightage: The opening chapters of ICAI's Paper 3 Section B, roughly 14 of its 50 marks. The four-question sequence from the method chapter begins here: is it a supply, is it taxable, and — via place of supply — where is it taxed.
Why India has a dual GST
Before GST, India taxed the same value chain through a tangle of separate levies — excise duty at manufacture, service tax on services, VAT at the state level on sale of goods, entry tax, octroi — each with its own base, its own credit chain (often broken between levies), and its own compliance machinery. A good moving from raw material to a finished product sold across state lines could be taxed multiple times on the same value, with no credit for tax already paid at an earlier stage in a different levy.
GST replaces this with one tax on the supply of goods and services, structured as a dual levy because India's Constitution divides taxing powers between the Centre and the States: Central GST (CGST) and State GST (SGST) are levied together on an intra-state supply, each by the respective government, at (generally) equal rates that together equal the notified GST rate; Integrated GST (IGST), levied by the Centre, applies to an inter-state supply, at a rate equal to CGST plus SGST combined, with the revenue apportioned between the Centre and the destination State. Union Territory GST (UTGST) applies in place of SGST for supplies within a Union Territory without its own legislature.
The unifying design principle is destination-based taxation with a continuous credit chain: tax accrues to the state of consumption, not the state of origin, and credit for tax paid at every prior stage flows through to the next, so tax is ultimately borne only on the value added at each stage, with no cascading.
What is a supply — section 7
The inclusive definition
Supply includes: sale, transfer, barter, exchange, licence, rental, lease or disposal made or agreed to be made for a consideration by a person in the course or furtherance of business; import of services for a consideration, whether or not in the course or furtherance of business; activities specified in Schedule I, made or agreed to be made without consideration; and activities to be treated as a supply of goods or supply of services as specified in Schedule II.
Four elements recur across nearly every question testing this definition, and stating each explicitly is what a "is this a supply" answer is built on: a transaction (of the kind listed); for consideration (subject to the Schedule I exception); in the course or furtherance of business; and involving goods or services (as opposed to money or securities, which are excluded from both definitions).
Schedule I — deemed supply without consideration
Certain transactions are treated as supply even without consideration, because the ordinary requirement of consideration is waived by statute for these specific categories:
- Permanent transfer or disposal of business assets where input tax credit has been availed on such assets.
- Supply between related persons or between distinct persons (as specified in section 25), when made in the course or furtherance of business — this is what brings inter-branch stock transfers between differently registered branches of the same legal entity within the tax net, even though no money changes hands between the branches.
- Supply of goods by a principal to an agent (or agent to principal) where the agent undertakes to supply or receive such goods on behalf of the principal.
- Import of services by a taxable person from a related person or from any of his other establishments outside India, in the course or furtherance of business.
Gifts to employees are specifically excluded from this deeming (that is, not treated as supply) up to a value of ₹50,000 in a financial year from an employer to an employee.
Schedule III — activities that are neither supply of goods nor supply of services
Certain activities are expressly outside GST altogether, not merely exempt but not a supply at all: services by an employee to the employer in the course of or in relation to employment; services by any court or Tribunal; functions performed by Members of Parliament, Members of State Legislatures, and holders of specified constitutional posts; funeral, burial, crematorium or mortuary services including transportation of the deceased; sale of land, and sale of a building (except where consideration is received before completion certificate, which is a supply); actionable claims, other than lottery, betting and gambling.
Composite and mixed supply
Composite supply: two or more taxable supplies of goods or services, naturally bundled and supplied in conjunction with each other in the ordinary course of business, one of which is a principal supply. The tax treatment (rate, exemption, place of supply) of the entire composite supply follows the principal supply — the classic example is goods transported with insurance and packing as part of a single supply contract, where the principal supply (goods) determines the treatment of the whole.
Mixed supply: two or more individual supplies made in conjunction with each other for a single price, where such supplies do not naturally bundle in the ordinary course of business. A mixed supply is treated as a supply of that particular good or service which attracts the highest rate of tax among the constituents.
The distinguishing test between the two is whether the combination is a natural, ordinary-course bundling (composite) or an artificial bundling for a single price that could equally have been sold separately (mixed) — a gift box combining chocolates, a toy and a diary sold together for one price, with no natural connection compelling them to be sold together, is a mixed supply; a five-star hotel room booking that includes complimentary breakfast is a composite supply, breakfast being naturally bundled with hotel accommodation in the ordinary course of business.
Charge of GST — section 9
The levy
CGST (mirrored by SGST/UTGST for the state component, and IGST for inter-state supplies) is levied on all intra-state supplies of goods or services or both, except on the supply of alcoholic liquor for human consumption, at rates notified by the government, on the value determined under section 15, collected in the manner prescribed, and paid by the taxable person.
Petroleum products (petroleum crude, high speed diesel, motor spirit, natural gas, aviation turbine fuel) are currently outside GST, continuing to be taxed under the pre-GST regime (central excise and state VAT), pending a notified date for their inclusion.
Reverse charge
Ordinarily the supplier pays GST (forward charge). Under reverse charge, the recipient of the supply is liable to pay tax instead, in two circumstances: notified categories of supply (specified goods or services, regardless of the supplier's registration status); and supply by an unregistered person to a registered person, of a nature notified by the government.
Reverse charge exists to secure revenue where the supplier is unregistered, unorganised, or otherwise difficult for the tax administration to reach directly, and to shift the compliance burden to a recipient more capable of bearing it.
Composition levy — section 10
An alternative, simplified scheme for small taxpayers: a registered person whose aggregate turnover in the preceding financial year did not exceed ₹1.5 crore (₹75 lakh for specified special category states) may opt to pay tax at a notified flat percentage of turnover rather than the ordinary rate applied to value, in lieu of the tax otherwise payable, subject to conditions: no inter-state outward supply; no supply through an e-commerce operator required to collect tax at source; cannot issue a tax invoice charging GST to the recipient (must issue a bill of supply); and cannot claim input tax credit.
A separate composition scheme is available for suppliers of services (or a mix of goods and services) with turnover up to a lower notified threshold, at a different flat rate.
Place of supply
Why it matters
GST is destination-based, so identifying where a supply is deemed to occur determines whether it is intra-state (CGST + SGST) or inter-state (IGST), and for a service or a cross-border transaction, which specific jurisdiction's tax applies at all. This is the fourth question in the method chapter's sequence, and it is answered by a distinct set of rules for goods and for services.
Place of supply of goods (domestic) — general rule
Where supply involves movement of goods, the place of supply is the location where the movement terminates for delivery to the recipient.
Where supply does not involve movement (goods made available without being moved, such as machinery assembled at the buyer's site), the place of supply is the location of the goods at the time of delivery.
Bill-to-ship-to transactions: where goods are delivered to a third party on the instruction of the buyer (before or during movement), the place of supply is deemed to be the principal place of business of that third person (the buyer who instructed the delivery), not the location of actual physical delivery — this is a deeming provision that overrides the physical delivery location specifically for this triangular pattern.
Place of supply of services (domestic) — general rule
Where the recipient is registered, place of supply is the location of the recipient.
Where the recipient is not registered, place of supply is the recipient's location if the address is on record; otherwise, the location of the supplier.
Specific exceptions to the general rule exist for services connected to immovable property (place of supply is where the property is located), restaurant and catering services (place of performance), and several other specified categories, each with its own rule that overrides the general recipient-location default.
Place of supply — import and export
Import of goods: place of supply is the location of the importer.
Export of goods: place of supply is the location outside India.
Imports and exports of goods are treated as inter-state supplies and attract IGST — import of goods attracts IGST (in addition to customs duty) at the point of customs clearance; export of goods is a zero-rated supply, meaning GST is not charged on the outward supply itself, and the exporter is entitled to claim a refund of input tax credit accumulated on inputs used in making that export, or to export under bond/LUT without payment of IGST at all.