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Indian Economy · 25 min read
Public finance is the most formula-like part of the economy syllabus. Four deficit measures, each defined by exactly what it includes and excludes; a classification of receipts and expenditure that is entirely mechanical; and a tax structure whose logic is fixed even though the rates move. Learn the definitions precisely and this block becomes almost arithmetic.
Two things here have changed recently enough that most study material is out of date. GST moved to a four-rate structure in September 2025, dropping the 12 and 28 per cent slabs and adding a 40 per cent demerit rate. And the Sixteenth Finance Commission's award, covering 2026 to 2031, is now in operation with a new criterion in the devolution formula. Both are set out below as they actually stand.
Current affairs · 19 September 2026
Every item is dated, read on the conducting body’s or ministry’s own site, and written with the question it becomes. Read today’s items, take the quiz, or download the month as a PDF.
Today’s poster
Why it matters
| Exam | Expected questions | How it usually appears |
|---|---|---|
| UPSC Prelims GS Paper 1 | 3–5 questions | Deficit definitions, the budget documents, and fiscal federalism. |
| Banking and insurance GA | 4–6 questions | Budget headlines, tax changes and GST — largely current-affairs flavoured. |
| SSC CGL / CHSL Tier 1 | 2–3 questions | Budget articles, kinds of tax, and the Finance Commission. |
| State PSC Prelims | 3–4 questions | With attention to state finances and Centre–state transfers. |
| RRB NTPC / Group D | 1–2 questions | When the budget is presented, and what GST stands for. |
Dates, documents and procedure
The Constitution calls it the Annual Financial Statement and never uses the word budget. Article 112 requires it, Article 113 governs demands for grants, and Article 114 the appropriation that follows.
Prepared by the Department of Economic Affairs under the Chief Economic Adviser and tabled shortly before the budget, usually the previous day. It reviews the year's economic performance and often signals the direction of policy, but it is a review document with no legal force — it is not part of the budget and Parliament does not vote on it.
The four-way classification
Everything the government receives or spends falls into one of four boxes, and the deficit measures in the next section are simply arithmetic on those boxes. The test throughout is whether the item creates or extinguishes an asset or a liability.
| Category | Test | Examples |
|---|---|---|
| Revenue receipts | Neither create a liability nor reduce an asset | Tax revenue of every kind; non-tax revenue such as interest receipts, dividends from public sector undertakings, and fees for government services. |
| Capital receipts | Either create a liability or reduce an asset | Market borrowing, external loans, small savings, recovery of loans given by the government, and disinvestment proceeds. |
| Revenue expenditure | Neither creates an asset nor reduces a liability | Salaries, pensions, interest payments, subsidies, defence revenue expenditure, and grants for current purposes. |
| Capital expenditure | Either creates an asset or reduces a liability | Building roads, railways and schools; buying equipment; lending to states and public undertakings; repayment of loan principal. |
Four measures and what each means
Four formulas, each isolating a different question about government borrowing. Learn the formulas exactly — questions are usually numerical and the wrong measure is always among the options.
Direct, indirect and the principles
The dividing line is incidence: who finally bears the tax, and whether that person can pass it on. Everything else in this section follows from that one test.
| Feature | Direct taxes | Indirect taxes |
|---|---|---|
| Who bears it | The person on whom it is levied — the burden cannot be shifted | The burden is shifted forward to the final consumer in the price |
| Examples in India | Income tax, corporation tax | Goods and Services Tax, customs duty, and excise on the goods still outside GST |
| Effect on equity | Generally progressive — rates rise with income | Generally regressive — the same rate takes a larger share of a poor household's income |
| Administration | Collection is harder and evasion easier to attempt | Collected at the point of transaction, so coverage is wider |
| Which body administers it | The Central Board of Direct Taxes | The Central Board of Indirect Taxes and Customs |
Structure after the 2025 rationalisation
The Goods and Services Tax came into force on 1 July 2017 and was substantially restructured in September 2025. Any material describing five slabs including 12 and 28 per cent is describing the old system.
| Rate | What it covers | Change from the old structure |
|---|---|---|
| Nil | Essential food items and a range of goods and services exempted altogether | Broadly unchanged, with some items moved into exemption. |
| 5 per cent — the merit rate | Most items formerly at 12 per cent, including dairy products, personal care goods, packaged food and many medical devices | The 12 per cent slab was abolished, with the large majority of its items moving down to 5 per cent. |
| 18 per cent — the standard rate | Most items formerly at 28 per cent, including air conditioners, televisions and small cars, together with the remainder of the 12 per cent items | The 28 per cent slab was abolished for ordinary goods, which moved down to 18 per cent. |
| 40 per cent — the demerit rate | Luxury and sin goods: high-end vehicles, aerated drinks, tobacco products and gambling services | A new rate created to hold the items that would otherwise have fallen from 28 to 18 per cent. |
GST was recommended by the Kelkar Task Force in 2003 and negotiated for years through the Empowered Committee of State Finance Ministers. The 101st Amendment was passed in 2016 and the tax came into force on 1 July 2017. The 56th meeting of the GST Council, on 3 September 2025, approved the rationalisation described above, effective from 22 September 2025 — the largest change to the tax since its introduction.
The Finance Commission and transfers
The Union collects most of the buoyant taxes while the states carry most of the spending responsibilities. Closing that gap is the whole business of fiscal federalism, and the Finance Commission is the instrument.
FRBM, debt and subsidies
A legislated framework meant to stop deficits accumulating into unmanageable debt, together with the two spending categories that most often push against it.
Solved examples
Read the steps rather than the answer. The method is what transfers to the next question.
Total expenditure is 45 lakh crore, revenue receipts 27 lakh crore and non-debt capital receipts 1 lakh crore. What is the fiscal deficit?
Answer: 17 lakh crore — which is also the total borrowing requirement for the year.
The fiscal deficit is 17 lakh crore and interest payments are 11 lakh crore. What is the primary deficit, and what does it tell you?
Answer: 6 lakh crore — most of the borrowing is going on interest on past debt.
Is disinvestment a revenue receipt or a capital receipt?
Answer: A capital receipt, and a non-debt one.
Interest payment is revenue expenditure but repayment of principal is capital expenditure. Why?
Answer: Because only repayment of principal reduces the outstanding liability.
Why do states object to revenue being raised through cess and surcharge?
Answer: Because neither forms part of the divisible pool, so states get no share of them.
What are the GST rates in force, and what changed in 2025?
Answer: Nil, 5, 18 and 40 per cent — a four-rate structure since September 2025.
What share of the divisible pool goes to the states, and who decided it?
Answer: 41 per cent, retained by the Sixteenth Finance Commission for 2026-31.
A government spends more on building highways than on salaries, but its fiscal deficit is large. Should that worry you as much as the reverse?
Answer: No — read the fiscal deficit alongside the revenue deficit before judging it.
Practice
Work each one out before you reveal the answer — the explanation is where the marks are.
Q1The Union Budget is presented in Parliament on:
Q2Fiscal deficit is equal to:
Q3Primary deficit is fiscal deficit minus:
Q4Which of the following is a capital receipt?
Q5GST came into force in India on:
Q6After the September 2025 rationalisation, the GST slabs are:
Q7A decision of the GST Council requires a majority of:
Q8Which of these is constitutionally outside the scope of GST?
Q9The Finance Commission is constituted every:
Q10The Sixteenth Finance Commission recommended a states' share in the divisible pool of:
Q11The FRBM Act was enacted in:
Q12Cess and surcharge collections are:
Q13The Bill that authorises withdrawal of money from the Consolidated Fund is the:
Q14The Economic Survey is prepared by the:
Q15A tax that takes a larger proportion of income from the poor than from the rich is:
Q16Automatic monetisation of the deficit through ad hoc treasury bills was discontinued in:
Questions
The revenue deficit is revenue expenditure minus revenue receipts — it asks whether the government is borrowing to meet its running costs. The fiscal deficit is total expenditure minus all receipts other than borrowing — it measures the total borrowing requirement, whatever the money is spent on. A large fiscal deficit financing capital investment is a very different situation from the same deficit financing salaries.
Because Article 112 uses the formal term Annual Financial Statement. "Budget" is the popular and administrative name for the same document together with everything presented alongside it — the Finance Bill, the demands for grants, the expenditure and receipt statements and the FRBM statements. Questions exploit the distinction, so the constitutional term is worth knowing.
Nil, 5, 18 and 40 per cent, following the rationalisation approved at the 56th GST Council meeting and effective from 22 September 2025. The 12 and 28 per cent slabs were abolished; most 12 per cent items moved to 5 per cent, most 28 per cent items to 18 per cent, and luxury and sin goods to the new 40 per cent demerit rate. Any material listing five slabs is describing the pre-2025 structure.
Because the revenue accrues to the state where the goods or services are finally consumed, not where they were produced. Under the earlier system, origin-based taxes favoured manufacturing states. The shift was the central bargain of the reform, and it is why a compensation mechanism was created for states that expected to lose revenue during the transition.
Not legally. The Constitution requires the President to lay the report before Parliament with an explanatory memorandum of the action taken, but the government is not bound to accept it. In practice the core recommendation on tax devolution has always been accepted, while recommendations on grants and conditions have sometimes been modified.
The Sixteenth, chaired by Arvind Panagariya, covering 1 April 2026 to 31 March 2031. Its report was tabled in Parliament with the Union Budget for 2026-27. It kept the states' share of the divisible pool at 41 per cent, added a criterion weighted at 10 per cent for a state's contribution to national GDP, removed the tax and fiscal effort criterion, and recommended capping state fiscal deficits at 3 per cent of gross state domestic product.
A provision permitting the government to depart from its fiscal targets in specified circumstances — grounds of national security, act of war, national calamity, collapse of agriculture, structural reform with fiscal implications, or a sharp decline in output. Invoking it requires the government to state the reasons and the corrective path, and it has been used.
It was abolished from the 2017-18 budget, on the recommendation of the Rangarajan Committee, along with the winding up of the Planning Commission. The classification had encouraged neglect of maintenance and salaries, which fell under non-plan, in favour of new schemes. Expenditure is now classified only as revenue or capital, which is the economically meaningful distinction.
The fiscal deficit and revenue deficit ratios, total budget size, tax collection figures, subsidy amounts and the debt-to-GDP ratio. All are announced afresh each year. Do memorise the four deficit formulas, the receipt and expenditure classification, the GST structure and Council voting rule, and the current Finance Commission's devolution share, because those are stable within a five-year award period.
Three to five in UPSC Prelims, four to six in banking and insurance general awareness where budget headlines feature heavily, two to three in SSC CGL Tier 1, three to four in state PSC prelims, and one to two in RRB NTPC. The deficit definitions alone appear in a large share of papers.
Attempt a timed mock while the formulas are fresh — that is what tells you which of them actually stuck.
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