Public borrowing is the institutional process by which a sovereign government raises loan capital to finance public expenditure that exceeds its non-debt revenues. Within the fiscal architecture of India, public borrowing serves as the functional operational arm for deficit financing. It transforms domestic household savings and foreign capital into public investment assets.
Constitutional and Institutional Framework in India
Article 292 (Union Borrowing Powers)
The executive power of the Union extends to borrowing upon the security of the Consolidated Fund of India within such limits, if any, as may from time to time be fixed by Parliament by law. The central government holds the sole sovereign privilege to borrow from international markets.
Article 293 (State Borrowing Powers)
State governments are constitutionally empowered to borrow inside the territory of India upon the security of the Consolidated Fund of the State. Under Article 293(3), a State cannot raise any loan without the prior consent of the Government of India if there is still outstanding any part of a loan which has been made to the State by the Government of India or in respect of which a guarantee has been given by the Union. This acts as the constitutional foundation for the Net Borrowing Ceiling (NBC) imposed annually on states by the central government.
The Role of the Reserve Bank of India (RBI)
Under the Reserve Bank of India Act, 1934, the RBI acts as the statutory debt manager for both the Central and State Governments. The RBI executes public borrowing operations through specialized electronic platforms like the e-Kuber core banking solution, conducting auctions for government securities.
Structural Classification of Public Borrowing in India
Internal Borrowing
Internal borrowing comprises all public liabilities raised within the boundaries of the political jurisdiction, denominated entirely in Indian Rupees (INR). It accounts for more than 95% of the total public debt portfolio of the Government of India, insulating the sovereign from severe external exchange rate fluctuations.
- Dated Government Securities (G-Secs): Long-term market borrowings ranging from 5 years to 40 years with a fixed or floating coupon rate. These comprise the largest component of India’s internal liabilities.
- Treasury Bills (T-Bills): Short-term debt instruments issued by the Central Government to manage temporary cash mismatches. They are zero-coupon, deep-discount bonds issued for three specific tenors: 91 days, 182 days, and 364 days.
- Cash Management Bills (CMBs): Non-standard, highly flexible short-term instruments issued for maturities of less than 91 days to fulfill acute, unexpected liquidity deficits.
- State Development Loans (SDLs): Market securities issued by individual state governments to fund their respective budgetary deficits. Commercial banks hold these to fulfill their Statutory Liquidity Ratio (SLR) requirements.
- Ways and Means Advances (WMA): Temporary, non-market credit facilities extended by the RBI to both the Center and States to bridge purely seasonal gaps between expenditures and receipts. WMAs must be repaid within 3 months from the date of the advance.
External Borrowing
External borrowing consists of loans and credit lines sourced from overseas entities, denominated primarily in foreign currencies like the US Dollar (USD), Euro, or Japanese Yen (JPY).
- Multilateral Sourcing: Development assistance funds borrowed from international financial institutions such as the World Bank, Asian Development Bank (ADB), and New Development Bank (NDB).
- Bilateral Sourcing: Government-to-government official development assistance (ODA) loans, such as concessional infrastructure credit from the Japan International Cooperation Agency (JICA).
- Sovereign External Commercial Borrowings (ECBs): Direct raising of debt by state-backed entities from overseas commercial markets through instruments like international green bonds or Maharaja bonds.
Macroeconomic Comparison of Sourcing Strategies
| Dimension / Parameter | Internal Sourcing (Domestic Market) | External Sourcing (International Market) |
| Exchange Rate Exposure | Completely shielded; zero currency risk | High vulnerability; rupee depreciation inflates debt liability |
| Domestic Private Sector Effect | Causes severe “Crowding Out” of private credit | Eliminates domestic crowding out; taps surplus foreign savings |
| Money Supply Dynamic | Reallocates existing domestic liquidity | Expands domestic high-powered money base upon conversion |
| Primary Structural Holders | Commercial Banks, Insurance Companies, EPFO | Sovereign Wealth Funds, Multilateral Institutions, FPIs |
| Inherent Policy Vulnerability | Pushes domestic sovereign bond yields upward | Increases vulnerability to global taper tantrums and rating actions |
Public Debt Metrics and Composition in India
Public Debt vs. Total Liabilities
Public debt includes internal and external borrowings contractually chargeable to the Consolidated Fund of India. Total Liabilities is a broader metric that combines Public Debt with obligations under the Public Account of India—such as National Small Savings Fund (NSSF), State Provident Funds, and specialized public deposits.
Key Indebtedness Ratios
The Fiscal Responsibility and Budget Management (FRBM) Review Committee (NK Singh Committee) recommended a target Debt-to-GDP ratio of 60% for India, split into 40% for the Central Government and 20% for State Governments combined.
Component Share of Central Government Liabilities
| Debt Component Classification | Structural Instruments Covered | Share in Total Liabilities |
| Marketable Internal Debt | Dated G-Secs, Treasury Bills, Special Floating Rate Bonds | Highest (~75%–78%) |
| Non-Marketable Internal Debt | Special Securities issued to Nationalized Banks, Gold Bonds | Low (~5%–7%) |
| External Debt Liabilities | Concessional Multilateral and Bilateral Institutional Loans | Very Low (~3%–4% at historical book value) |
| Public Account Obligations | NSSF deposits, Provident Funds, Postal Savings, Deposits | Moderate (~12%–15%) |
Strategic Trade-offs and Macroeconomic Phenomena
The Crowding-Out Trap
When the Ministry of Finance issues large tranches of G-Secs to finance a high fiscal deficit, it consumes a dominant share of the loanable funds available within the banking system. Because government securities are backed by a sovereign guarantee, they feature zero default risk (risk-free assets). Commercial banks prefer parking capital in G-Secs to satisfy and exceed their Statutory Liquidity Ratio (SLR) mandates rather than underwriting commercial corporate credit. This drives up market interest rates, increases borrowing costs for private corporations, and stalls private capital expenditure.
Debt Sustainability and Domar’s Condition
According to Evsey Domar’s formulation, a sovereign country’s public debt is sustainable in the long term if the real growth rate of the economy exceeds the real interest rate paid on the public debt.
Monetized Deficit and Central Bank Intervention
When the market capacity to absorb government bonds is exhausted, the central bank may step in to buy primary government debt by printing fresh high-powered base money. In India, this direct monetization via ad-hoc Treasury Bills was structurally dismantled under the landmark 1994 and 1997 Monetary-Fiscal Agreements to combat high inflation. Instead, the RBI now selectively manages market yield pressures through secondary-market Open Market Operations (OMO).
UPSC Prelims Pointers and Fact Sheet
General Government Debt
A metric that combines the total consolidated outstanding liabilities of both the Central Government and all State Governments, after netting out inter-governmental debt obligations.
Sovereign Gold Bond (SGB) Scheme
An internal, non-marketable public borrowing tool managed by the RBI where investors purchase gold certificates. It allows the government to borrow directly from retail gold investors while reducing India’s current account deficit by reducing physical gold imports.
Debt Service Ratio
The ratio of a nation’s foreign exchange earnings from exports and services to the interest and principal payments due on its external debt portfolio. A lower ratio indicates higher safety against external defaults.
State Development Loans (SDL) Spread
The premium or incremental interest rate that state governments must pay over and above the prevailing yield of Central Government Securities of identical maturity when auctioning their bonds. It reflects the market’s risk perception of the issuing state’s fiscal deficit.
Off-Budget Borrowings
Borrowing executed by public sector undertakings or state-controlled special purpose vehicles (like FCI or NHAI) where the principal and interest repayments are serviced directly out of the Central Budget. The FRBM amendment mandates that such borrowings must be fully disclosed within the budget documents to reflect true fiscal deficit indicators.
Last Modified: May 22, 2026