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Quick recap: National Income on one page

ಕನ್ನಡದಲ್ಲಿ ವಿವರಣೆ

National Income · Quick recap · Fact-checked on 20 October 2026 · how we check

Written with AI from the sources listed at the bottom of this page, then fact-checked by a separate AI.

Both parts of National Income condensed for quick revision: the aggregates and the prices behind them, what is counted, how India's NSO produces and revises the estimates, base years, sectors, per capita income, PPP, green GDP and the HDI, with a one-table overview and eight mixed questions.

Each idea is explained first in Kannada (ಕನ್ನಡ), ending with the English and Hindi exam terms, followed by the same point in exam English. UPSC Prelims is in English or Hindi, so understand it in Kannada and revise it in English.

ರಾಷ್ಟ್ರೀಯ ಆದಾಯ ಒಂದು ಹರಿವು — ಒಂದು ಆರ್ಥಿಕ ವರ್ಷದಲ್ಲಿ (ಏಪ್ರಿಲ್-ಮಾರ್ಚ್) ಅಳೆಯಲಾಗುತ್ತದೆ, ಸಂಪತ್ತಿನ ದಾಸ್ತಾನಲ್ಲ. ಅಂತಿಮ ಸರಕು, ಸೇವೆಗಳು ಮಾತ್ರ ಲೆಕ್ಕ; ಪ್ರತಿ ಹಂತದ ಮೌಲ್ಯವರ್ಧನೆ ಕೂಡಿಸಿದರೆ ಅದೇ ಮೊತ್ತ, ಎರಡು ಬಾರಿ ಎಣಿಸುವ ತಪ್ಪಿಲ್ಲ. ಒಬ್ಬರ ಖರ್ಚು ಇನ್ನೊಬ್ಬರ ಆದಾಯವಾದ್ದರಿಂದ ಮೂರು ದಾರಿಯಲ್ಲಿ ಅಳೆಯಬಹುದು: ಉತ್ಪಾದನೆ, ಆದಾಯ, ವೆಚ್ಚ. ಊರ ಸಂತೆಯ ಲೆಕ್ಕದಂತೆ — ಮಾರಾಟಗಾರರ ಮಾರಾಟ, ಅವರ ಗಳಿಕೆ, ಕೊಳ್ಳುವವರ ಖರ್ಚು, ಮೂರೂ ಒಂದೇ ಮೊತ್ತಕ್ಕೆ ಬರಬೇಕು; ಬರದ ವ್ಯತ್ಯಾಸವನ್ನು 'ಸಾಂಖ್ಯಿಕ ವ್ಯತ್ಯಾಸ' ಎನ್ನುತ್ತಾರೆ. (→ English: national income · हिन्दी: राष्ट्रीय आय)

In exam Englishnational income is a flow, measured over a financial year (April to March), not a stock of wealth. Only final goods and services are counted; adding the value added at each stage of production gives the same total and avoids double counting. Because one person's spending is another's income, the economy can be measured three ways: the production or value added method, the income method (compensation of employees, operating surplus and mixed income) and the expenditure method (consumption, government spending, gross capital formation and net exports). In principle all three give the same total; in practice the gap is shown as a statistical discrepancy.

ಮೂರು ಹೊಂದಾಣಿಕೆಗಳು ಮುಖ್ಯ ಮೊತ್ತಗಳನ್ನು ಜೋಡಿಸುತ್ತವೆ. ದೇಶೀಯ = ದೇಶದ ಗಡಿಯೊಳಗಿನ ಉತ್ಪಾದನೆ; ರಾಷ್ಟ್ರೀಯ = ದೇಶದ ನಿವಾಸಿಗಳ ಆದಾಯ — ಆದ್ದರಿಂದ ಒಟ್ಟು ರಾಷ್ಟ್ರೀಯ ಉತ್ಪನ್ನ = GDP + ವಿದೇಶದಿಂದ ನಿವ್ವಳ ಅಂಶ ಆದಾಯ. ಒಟ್ಟಿನಲ್ಲಿ ಯಂತ್ರಗಳ ಸವೆತ ಸೇರಿರುತ್ತದೆ; ನಿವ್ವಳದಲ್ಲಿ ಸವಕಳಿ ಕಳೆಯುತ್ತಾರೆ. ಮಾರುಕಟ್ಟೆ ಬೆಲೆಯಲ್ಲಿ ತೆರಿಗೆ ಸೇರಿದೆ; ಅಂಶ ವೆಚ್ಚದಲ್ಲಿ ತೆಗೆಯುತ್ತಾರೆ. 2011-12ರಿಂದ ಮೂಲ ಬೆಲೆಗಳೂ ಇವೆ. ಆಟೋ ಓಡಿಸುವ ಅಣ್ಣನನ್ನು ಯೋಚಿಸಿ: ದಿನದ ಒಟ್ಟು ಸಂಪಾದನೆ 'ಒಟ್ಟು', ಟೈರ್ ಸವೆತ ಕಳೆದರೆ 'ನಿವ್ವಳ'. ರಾಷ್ಟ್ರೀಯ ಆದಾಯ = ಅಂಶ ವೆಚ್ಚದಲ್ಲಿ NNP. (→ English: gross national product · depreciation · factor cost · हिन्दी: सकल राष्ट्रीय उत्पाद · मूल्यह्रास · साधन लागत)

In exam EnglishThree adjustments link the main aggregates. Domestic measures cover production within the country's territory; national measures cover income of its normal residents, so gross national product equals GDP plus net factor income from abroad. Gross measures include the wear and tear of capital; net measures subtract depreciation. Market prices include net indirect taxes, while factor cost removes them; since the 2011-12 series India also uses basic prices, so that GDP at market prices equals GVA at basic prices plus product taxes minus product subsidies. National income in the strict sense is NNP at factor cost.

National income aggregates at a glance
Aggregate	How it is reached	Remember
GDP at market prices	GVA at basic prices + product taxes − product subsidies	Headline growth measure since the 2011-12 series
GNP (GNI)	GDP + net factor income from abroad	Smaller than GDP when the net figure is negative
NDP / NNP	Gross figure − depreciation	'Net' always means after depreciation
National income	NNP at factor cost	Market prices − net indirect taxes = factor cost
Real GDP	Output at base-year prices	GDP deflator = nominal ÷ real × 100
Per capita income	Net national income ÷ population	An average; says nothing on distribution

ನಾಮಮಾತ್ರ GDP ಈಗಿನ ಬೆಲೆಯಲ್ಲಿ; ನೈಜ GDP ಮೂಲ ವರ್ಷದ ಸ್ಥಿರ ಬೆಲೆಯಲ್ಲಿ — ಆಗ ಪ್ರಮಾಣದ ಬದಲಾವಣೆ ಮಾತ್ರ ಉಳಿಯುತ್ತದೆ. ಜಿಡಿಪಿ ಡಿಫ್ಲೇಟರ್ = ನಾಮಮಾತ್ರ GDP ÷ ನೈಜ GDP × 100; ದೇಶದಲ್ಲಿ ಉತ್ಪಾದಿಸಿದ ಎಲ್ಲವನ್ನೂ (ಸೇವೆ, ಹೂಡಿಕೆ ಸರಕು ಸೇರಿ) ಒಳಗೊಳ್ಳುತ್ತದೆ, ಆಮದನ್ನು ಬಿಡುತ್ತದೆ. ಪಿಂಚಣಿಯಂತಹ ವರ್ಗಾವಣೆ ಪಾವತಿ, ಹಳೆಯ ವಸ್ತು ಮಾರಾಟ, ಷೇರು ಖರೀದಿ GDPಯಲ್ಲಿಲ್ಲ; ಸ್ವಂತ ಮನೆಯ ಕಲ್ಪಿತ ಬಾಡಿಗೆ, ಮನೆಯಲ್ಲೇ ತಿನ್ನುವ ಬೆಳೆ ಇದೆ. ಅಮ್ಮ ಮಾಡುವ ಮನೆಗೆಲಸ GDPಯಲ್ಲಿ ಕಾಣುವುದಿಲ್ಲ — ಆದ್ದರಿಂದ ಇತರ ಅಳತೆಗಳು ಜೊತೆಗೆ. (→ English: GDP deflator · हिन्दी: जीडीपी अपस्फीतिकारक)

In exam EnglishNominal GDP values output at current prices; real GDP values it at the constant prices of a base year, so that only changes in quantity remain. The GDP deflator is nominal GDP divided by real GDP, multiplied by 100; it covers everything produced at home, including services and investment goods, and excludes imports, unlike the consumer price index. Transfer payments, second-hand sales and purely financial deals are left out of GDP, while imputed rent and farm output kept for own use are included. GDP also ignores how income is shared, unpaid household work and damage to nature, which is why other measures sit beside it.

ದಾದಾಭಾಯಿ ನವರೋಜಿ 1867-68ಕ್ಕೆ ತಲೆಗೆ ಸುಮಾರು 20 ರೂಪಾಯಿ ಎಂದು ಅಂದಾಜಿಸಿದರು; 1930ರ ದಶಕದಲ್ಲಿ ವಿ.ಕೆ.ಆರ್.ವಿ. ರಾವ್ ಮೊದಲ ಕ್ರಮಬದ್ಧ ಅಂದಾಜುಗಳು; 1949ರಲ್ಲಿ ಮಹಲನೋಬಿಸ್ ಅಧ್ಯಕ್ಷತೆಯ ರಾಷ್ಟ್ರೀಯ ಆದಾಯ ಸಮಿತಿ ಅಧಿಕೃತ ವಿಧಾನಗಳು. ಇಂದು MoSPI ಅಡಿಯ ರಾಷ್ಟ್ರೀಯ ಸಾಂಖ್ಯಿಕ ಕಚೇರಿ (2019ರಲ್ಲಿ CSO, NSSO ವಿಲೀನ) ಲೆಕ್ಕಗಳನ್ನು ತಯಾರಿಸುತ್ತದೆ; ರಾಜ್ಯಗಳ GSDP ರಾಜ್ಯ ನಿರ್ದೇಶನಾಲಯಗಳು. ಒಂದು ವರ್ಷದ GDPಯನ್ನು ಹಲವು ಬಾರಿ ಅಂದಾಜಿಸುತ್ತಾರೆ: ಜನವರಿ ಆರಂಭದಲ್ಲಿ ಮೊದಲ ಮುಂಗಡ (ವರ್ಷ ಮುಗಿಯುವ ಮುನ್ನವೇ), ಫೆಬ್ರವರಿ ಕೊನೆಗೆ ಎರಡನೆಯದು, ಮೇ ಕೊನೆಗೆ ತಾತ್ಕಾಲಿಕ, ಮುಂದಿನ ವರ್ಷಗಳಲ್ಲಿ ಪರಿಷ್ಕರಣೆ — ಪರೀಕ್ಷೆಯಲ್ಲಿ ಮೊದಲು ತಾತ್ಕಾಲಿಕ ಅಂಕ, ಮರುಮೌಲ್ಯಮಾಪನದ ನಂತರ ಅಂತಿಮ ಅಂಕದಂತೆ. (→ English: National Statistical Office · हिन्दी: राष्ट्रीय सांख्यिकी कार्यालय)

In exam EnglishDadabhai Naoroji put India's income for 1867-68 at about 20 rupees a head, V.K.R.V. Rao made the first systematic estimates in the 1930s, and the National Income Committee of 1949, chaired by P.C. Mahalanobis, set the official methods. Today the National Statistical Office under MoSPI, formed in 2019 by merging the CSO and the NSSO, compiles the accounts, while state directorates prepare GSDP. A year's GDP is estimated several times: first advance estimates in early January, before the year ends; second advance at the end of February; provisional at the end of May; revised estimates in later years; and quarterly figures about two months after each quarter.

ನೈಜ ಮೌಲ್ಯಗಳನ್ನು ಒಂದು ಮೂಲ ವರ್ಷದ ಬೆಲೆಗಳಲ್ಲಿ ಅಳೆಯುತ್ತಾರೆ; ಆರ್ಥಿಕತೆ ಬದಲಾದಾಗ ಅದನ್ನು ಬದಲಿಸಬೇಕು — ಹಳೆಯ ನಕ್ಷೆ ಹಿಡಿದು ಹೊಸ ನಗರದಲ್ಲಿ ಸುತ್ತಲಾಗದು. 2015ರ ಜನವರಿಯಲ್ಲಿ ಬಂದ 2011-12 ಸರಣಿ: ಸ್ಥಿರ ಮಾರುಕಟ್ಟೆ ಬೆಲೆಯ GDP ಮುಖ್ಯ ಬೆಳವಣಿಗೆ ಅಳತೆ, ವಲಯದ ಉತ್ಪಾದನೆ ಮೂಲ ಬೆಲೆಯಲ್ಲಿ GVA, ಕಂಪನಿಗಳಿಗೆ MCA-21 ದತ್ತಾಂಶ; ಇದರ ಬೆಳವಣಿಗೆ ಸಂಖ್ಯೆಗಳ ಮೇಲೆ ವರ್ಷಗಟ್ಟಲೆ ಚರ್ಚೆ. 27 ಫೆಬ್ರವರಿ 2026ರಂದು 2022-23 ಮೂಲ ವರ್ಷದ ಹೊಸ ಸರಣಿ: ತ್ರೈಮಾಸಿಕ ಅಂದಾಜಿಗೆ GST ದಾಖಲೆ, ಅಸಂಘಟಿತ ಉದ್ಯಮಗಳಿಗೆ ಪ್ರತಿ ವರ್ಷ ಸಮೀಕ್ಷೆ, ಕೃಷಿ-ತಯಾರಿಕೆಯಲ್ಲಿ ದ್ವಿಗುಣ ಬೆಲೆ ಹೊಂದಾಣಿಕೆ. (→ English: base year · हिन्दी: आधार वर्ष)

In exam EnglishReal values are measured at the prices of a base year, which must be updated as the economy changes. The 2011-12 series, released in January 2015, made GDP at constant market prices the headline growth measure, showed industry output as GVA at basic prices and used the MCA-21 company database; its growth figures were debated for years. On 27 February 2026 MoSPI released a new series with base year 2022-23, drawing heavily on GST and administrative records for quarterly estimates, surveying unincorporated firms every year and applying double deflation in agriculture and manufacturing.

ಇಂದು ನಮ್ಮ ಒಟ್ಟು ಮೌಲ್ಯವರ್ಧನೆಯಲ್ಲಿ ಸೇವೆಗಳು ಅರ್ಧಕ್ಕಿಂತ ಹೆಚ್ಚು, ಕೃಷಿ ಐದನೇ ಒಂದು ಭಾಗಕ್ಕಿಂತ ಕಡಿಮೆ — ಆದರೂ ಐವರು ಕಾರ್ಮಿಕರಲ್ಲಿ ಇಬ್ಬರಿಗಿಂತ ಹೆಚ್ಚು ಕೃಷಿಯಲ್ಲೇ. ಗಣಿಗಾರಿಕೆ ಮೂರು ವಲಯ ಪದ್ಧತಿಯಲ್ಲಿ ಪ್ರಾಥಮಿಕ, ಅಧಿಕೃತ ಕೋಷ್ಟಕದಲ್ಲಿ 'ಕೈಗಾರಿಕೆ'. ತಲಾ ಆದಾಯ (ತಲಾ ನಿವ್ವಳ ರಾಷ್ಟ್ರೀಯ ಆದಾಯ) ತೋರಿಸುವುದು: ದೊಡ್ಡ ಆರ್ಥಿಕತೆಯಾದರೂ ಸರಾಸರಿ ಆದಾಯ ಕಡಿಮೆ ಇರಬಹುದು — ದೊಡ್ಡ ಕೂಡು ಕುಟುಂಬದಂತೆ. ವಿಶ್ವಬ್ಯಾಂಕ್ ನಮ್ಮನ್ನು ಕೆಳ-ಮಧ್ಯಮ ಆದಾಯದ ದೇಶಗಳಲ್ಲಿ ಇರಿಸುತ್ತದೆ. ಒಂದೇ ಸಾಮಾನು ಬುಟ್ಟಿಯ ಬೆಲೆ ಹೋಲಿಸುವ ಖರೀದಿ ಸಾಮರ್ಥ್ಯ ಸಮಾನತೆಯ ಪ್ರಕಾರ 2021ರ ಸುತ್ತಿನಲ್ಲಿ ನಮ್ಮ ಆರ್ಥಿಕತೆ ವಿಶ್ವದಲ್ಲಿ ಮೂರನೇ ಸ್ಥಾನ. (→ English: per capita income · purchasing power parity · हिन्दी: प्रति व्यक्ति आय · क्रय शक्ति समता)

In exam EnglishServices now make up more than half of India's gross value added and agriculture less than a fifth, though agriculture still employs over two-fifths of workers. Mining is primary in the three-sector scheme but sits under 'industry' in official tables. per capita income, India's per capita net national income, shows that a large economy can still have a low average income; the World Bank places India in the lower-middle-income group on GNI per capita. Measured at purchasing power parity, which compares what the same basket costs in each country, India's economy ranked third in the world in the 2021 round of the International Comparison Program.

GDP ಉತ್ಪಾದನೆಯನ್ನು ಅಳೆಯುತ್ತದೆ, ಕಲ್ಯಾಣವನ್ನಲ್ಲ — ಆದ್ದರಿಂದ ಇತರ ಅಳತೆಗಳು. ಹಸಿರು ಜಿಡಿಪಿ ನೈಸರ್ಗಿಕ ಸಂಪನ್ಮೂಲ ಕ್ಷೀಣತೆ, ಪರಿಸರ ಹಾನಿಯನ್ನು ಕಳೆಯುತ್ತದೆ; ವಿಶ್ವಸಂಸ್ಥೆಯ SEEA ಚೌಕಟ್ಟು, 2013ರಲ್ಲಿ ಪಾರ್ಥ ದಾಸ್‌ಗುಪ್ತ ಗುಂಪು ನಮಗಾಗಿ ಹಸಿರು ಲೆಕ್ಕದ ಪ್ರಸ್ತಾವ, MoSPI ಯ EnviStats India. ಮಾನವ ಅಭಿವೃದ್ಧಿ ಸೂಚ್ಯಂಕ (UNDP, 1990ರಿಂದ, ಮಹಬೂಬ್ ಉಲ್ ಹಕ್ ವಿನ್ಯಾಸ) ಜೀವಿತಾವಧಿ, ಶಾಲಾ ವರ್ಷಗಳು, PPPಯಲ್ಲಿ ತಲಾ GNI — ಮೂರನ್ನೂ ಜ್ಯಾಮಿತೀಯ ಸರಾಸರಿಯಿಂದ ಸೇರಿಸುತ್ತದೆ. ಮಗುವಿನ ಆರೋಗ್ಯ, ಓದು, ಮನೆಯ ಆದಾಯ ಎಲ್ಲ ನೋಡಿ ಕ್ಷೇಮ ಹೇಳುವಂತೆ. ಭಾರತ ಮಧ್ಯಮ ಗುಂಪಿನಲ್ಲಿ. (→ English: green GDP · Human Development Index · हिन्दी: हरित जीडीपी · मानव विकास सूचकांक)

In exam EnglishBecause GDP measures production rather than well-being, other measures stand beside it. green GDP subtracts the depletion of natural resources and environmental damage; the UN's SEEA gives the framework, an expert group chaired by Partha Dasgupta proposed green national accounts for India in 2013, and MoSPI publishes environmental accounts in EnviStats India. The Human Development Index, published by UNDP since 1990 and designed by Mahbub ul Haq, combines life expectancy at birth, mean and expected years of schooling, and GNI per capita in PPP dollars through a geometric mean. India is in the medium human development group.

Exam traps

National income in the strict sense is NNP at factor cost, not GDP at market prices.
GNP = GDP + net factor income from abroad; if that net figure is negative, GNP is below GDP.
Transfer payments, second-hand sales and share purchases are excluded from GDP; imputed rent and own-account farm output are included.
The GDP deflator excludes imports and has no fixed basket; the CPI includes imported consumer goods.
First advance estimates come in early January, before the financial year ends.
The NSO (2019, CSO + NSSO) is under MoSPI; the National Income Committee (1949) was chaired by P.C. Mahalanobis.
Current base year: 2022-23 (series released 27 February 2026); the previous one was 2011-12.
Mining is primary in the three-sector scheme but under 'industry' in official tables; the HDI uses GNI per capita (PPP), not GDP.

Recap

National income is a flow; count final goods or value added to avoid double counting.
Production, income and expenditure methods measure the same total.
Domestic to national: add net factor income from abroad; gross to net: subtract depreciation.
Market prices to factor cost: subtract net indirect taxes; GDP = GVA at basic prices + net product taxes.
Real GDP at base-year prices; deflator = nominal ÷ real × 100.
NSO under MoSPI compiles the accounts on a calendar of advance, provisional and revised estimates.
Base year 2011-12 (series of 2015) replaced by 2022-23 (series of 27 February 2026).
Beyond GDP: per capita income, PPP comparisons, green accounts and the HDI.

Practice questions

Q1. Which of the following is national income in the strict sense?

GDP at market prices
NNP at factor cost
GNP at market prices
NDP at factor cost

Show answer

Answer: B. NNP at factor cost

National income is NNP at factor cost. GDP and GNP at market prices still include depreciation and net indirect taxes, and NDP at factor cost is domestic, so it leaves out net factor income from abroad.

Q2. Consider the following statements:
1. When net factor income from abroad is negative, GNP is less than GDP.
2. Net domestic product is obtained by subtracting net indirect taxes from gross domestic product.
Which of the statements given above is/are correct?

1 only
2 only
Both 1 and 2
Neither 1 nor 2

Show answer

Answer: A. 1 only

Statement 1 is correct. Statement 2 is wrong: gross becomes net by subtracting depreciation; subtracting net indirect taxes moves from market prices to factor cost. So '2 only' and 'both' are wrong, and 'neither' misses statement 1.

Q3. Which one of the following is included in India's GDP?

Old-age pensions paid by the government
Sale of a second-hand car
Imputed rent of owner-occupied houses
Purchase of shares in the stock market

Show answer

Answer: C. Imputed rent of owner-occupied houses

Imputed rent of owner-occupied houses is included because housing services are produced. Pensions are transfer payments, a second-hand car was counted when first produced, and buying shares is a purely financial transaction, so none of these three is included.

Q4. Consider the following statements about the GDP deflator:
1. It is calculated as nominal GDP divided by real GDP, multiplied by 100.
2. It includes the prices of imported goods.
Which of the statements given above is/are correct?

1 only
2 only
Both 1 and 2
Neither 1 nor 2

Show answer

Answer: A. 1 only

Statement 1 is the formula. Statement 2 is wrong: the deflator covers only what is produced at home, so imports are excluded. So '2 only' and 'both' are wrong, and 'neither' misses statement 1.

Q5. Consider the following statements:
1. The first advance estimates of GDP for a financial year are released before that year ends.
2. The National Statistical Office is part of the Ministry of Statistics and Programme Implementation.
3. The National Income Committee of 1949 was chaired by V.K.R.V. Rao.
Which of the statements given above are correct?

1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3

Show answer

Answer: A. 1 and 2 only

Statements 1 and 2 are correct. Statement 3 is wrong: P.C. Mahalanobis chaired the committee and Rao was a member. Every option containing statement 3 is therefore wrong.

Q6. The current base year of India's national accounts series is:

2004-05
2011-12
2017-18
2022-23

Show answer

Answer: D. 2022-23

The new series released on 27 February 2026 has base year 2022-23. 2011-12 was the previous base year, 2004-05 the one before it, and 2017-18 was never adopted as the base year of the national accounts.

Q7. Consider the following pairs:
1. Mining and quarrying : Primary sector in the three-sector scheme
2. Per capita income in India : Net national income divided by population
3. Human Development Index : Published by the World Bank
Which of the pairs given above are correctly matched?

1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3

Show answer

Answer: A. 1 and 2 only

Pairs 1 and 2 are correct. Pair 3 is wrong: the HDI is published by the UNDP in its Human Development Report; the World Bank runs the income classification and the International Comparison Program. Every option containing pair 3 is therefore wrong.

Q8. Which one of the following best explains why India's economy appears larger in purchasing power parity terms than at market exchange rates?

Many goods and services cost less in India than in high-income countries
India's exports are larger than its imports
PPP figures include unpaid household work
PPP figures are measured at factor cost

Show answer

Answer: A. Many goods and services cost less in India than in high-income countries

PPP converts at the rate that buys the same basket in each country, and since many prices are lower in India, the same rupees buy more. India's trade balance has nothing to do with the conversion, and PPP neither adds unpaid household work nor switches to factor cost.

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Sources

Ministry of Statistics and Programme Implementation (National Statistical Office): National Accounts Statistics, Sources and Methods; press note on the new series with base year 2022-23 (27 February 2026); EnviStats India — https://mospi.gov.in
Economic Survey, Ministry of Finance, Government of India — https://www.indiabudget.gov.in/economicsurvey/
Reserve Bank of India: Handbook of Statistics on the Indian Economy — https://www.rbi.org.in
World Bank: country income classification; International Comparison Program, 2021 round — https://www.worldbank.org/en/programs/icp
Green National Accounts in India: A Framework, expert group chaired by Partha Dasgupta, MoSPI (2013) — https://mospi.gov.in
United Nations Development Programme: Human Development Reports — https://hdr.undp.org