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Quick recap: National Income on one page

తెలుగులో వివరణ

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 Telugu (తెలుగు), 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 Telugu and revise it in English.

జాతీయ ఆదాయం ఒక ప్రవాహం — ఏడాది (ఏప్రిల్-మార్చి) పొడవునా కొలుస్తారు, ఆస్తి నిల్వ కాదు. తుది వస్తువులు, సేవలు మాత్రమే లెక్క; ప్రతి దశలో జోడించిన విలువ కలిపితే అదే మొత్తం, రెండుసార్లు లెక్కించే తప్పు ఉండదు. ఒకరి ఖర్చు మరొకరి ఆదాయం కాబట్టి మూడు దారుల్లో కొలవచ్చు: ఉత్పత్తి, ఆదాయం, వ్యయం. ఊరి సంత లెక్క లాంటిది — అమ్మకందారుల అమ్మకాలు, వారి సంపాదన, కొనుగోలుదారుల ఖర్చు, మూడూ ఒకే మొత్తానికి రావాలి; రాని తేడాను 'గణాంక వ్యత్యాసం' అంటారు. (→ 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.

మూడు సర్దుబాట్లు ముఖ్య మొత్తాలను కలుపుతాయి. దేశీయ = దేశ భూభాగంలో ఉత్పత్తి; జాతీయ = దేశ నివాసుల ఆదాయం — కాబట్టి స్థూల జాతీయోత్పత్తి = GDP + విదేశాల నుంచి నికర కారక ఆదాయం. స్థూలంలో యంత్రాల అరుగుదల కలిసి ఉంటుంది; నికరంలో తరుగుదల తీసేస్తారు. మార్కెట్ ధరల్లో పన్నులు కలుస్తాయి; కారక వ్యయంలో తీసేస్తారు. 2011-12 నుంచి మూల ధరలు కూడా. ఆటో నడిపే అన్న ఊహించండి: మొత్తం వసూలు 'స్థూలం', టైర్ల అరుగుదల తీసేస్తే 'నికరం'. జాతీయ ఆదాయం = కారక వ్యయంలో 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

నామమాత్ర GDP ఇప్పటి ధరల్లో; వాస్తవ GDP ఆధార సంవత్సరం స్థిర ధరల్లో — అప్పుడు పరిమాణం మార్పు మాత్రమే మిగులుతుంది. జీడీపీ డిఫ్లేటర్ = నామమాత్ర GDP ÷ వాస్తవ GDP × 100; దేశంలో తయారైన అన్నిటినీ (సేవలు, పెట్టుబడి వస్తువులు సహా) కవర్ చేస్తుంది, దిగుమతులను వదిలేస్తుంది. పింఛన్లు వంటి బదిలీ చెల్లింపులు, పాత వస్తువుల అమ్మకం, షేర్ల కొనుగోలు GDPలో లేవు; సొంత ఇంటి ఊహాత్మక అద్దె, ఇంట్లో తినే పంట ఉన్నాయి. అమ్మ చేసే ఇంటి పని GDPలో కనిపించదు — అందుకే ఇతర కొలతలు పక్కన ఉంటాయి. (→ 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.

దాదాభాయ్ నౌరోజీ 1867-68కి మనిషికి సుమారు 20 రూపాయలు అని లెక్కించారు; 1930లలో వి.కె.ఆర్.వి. రావు మొదటి క్రమబద్ధ అంచనాలు; 1949లో మహలనోబిస్ అధ్యక్షతన జాతీయ ఆదాయ కమిటీ అధికారిక పద్ధతులు. ఇప్పుడు MoSPI కింద జాతీయ గణాంక కార్యాలయం (2019లో CSO, NSSO కలిపి) లెక్కలు చేస్తుంది; రాష్ట్రాల GSDP రాష్ట్ర సంచాలక కార్యాలయాలు. ఒక సంవత్సరపు GDP చాలాసార్లు అంచనా: జనవరి మొదట్లో మొదటి ముందస్తు (సంవత్సరం ముగియక ముందే), ఫిబ్రవరి చివర రెండోది, మే చివర తాత్కాలికం, తర్వాతి ఏళ్ళలో సవరణలు — పరీక్ష ఫలితాల్లో మొదట తాత్కాలిక మార్కులు, రీవాల్యుయేషన్ తర్వాత తుది మార్కుల్లా. (→ 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.

వాస్తవ విలువలు ఒక ఆధార సంవత్సరం ధరల్లో కొలుస్తారు; ఆర్థిక వ్యవస్థ మారినప్పుడు దాన్ని మార్చాలి — పాత మ్యాప్‌తో కొత్త నగరంలో తిరగలేం కదా. 2015 జనవరిలో వచ్చిన 2011-12 సిరీస్: స్థిర మార్కెట్ ధరల GDP ముఖ్య వృద్ధి కొలత, రంగాల ఉత్పత్తి మూల ధరల్లో GVA, కంపెనీలకు MCA-21 డేటా; దీని వృద్ధి సంఖ్యలపై ఏళ్ళ తరబడి చర్చ. 27 ఫిబ్రవరి 2026న 2022-23 ఆధార సంవత్సరంతో కొత్త సిరీస్: త్రైమాసిక అంచనాలకు GST రికార్డులు, అసంఘటిత సంస్థలకు ఏటా సర్వే, వ్యవసాయం-తయారీలో ద్వంద్వ ధర సర్దుబాటు. (→ 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.

ఇప్పుడు మన స్థూల విలువ జోడింపులో సేవలు సగానికి పైగా, వ్యవసాయం ఐదో వంతు కంటే తక్కువ — అయినా ఐదుగురు కార్మికుల్లో ఇద్దరికి పైగా వ్యవసాయంలోనే. గనులు మూడు రంగాల పద్ధతిలో ప్రాథమికం, అధికారిక పట్టికల్లో 'పరిశ్రమ'. తలసరి ఆదాయం (తలసరి నికర జాతీయ ఆదాయం) చూపేది: పెద్ద ఆర్థిక వ్యవస్థ అయినా సగటు ఆదాయం తక్కువ ఉండొచ్చు — పెద్ద ఉమ్మడి కుటుంబం లాగ. ప్రపంచ బ్యాంకు మనల్ని దిగువ-మధ్య ఆదాయ దేశాల్లో ఉంచుతుంది. ఒకే సరుకుల బుట్ట ధరను పోల్చే కొనుగోలు శక్తి సమానత ప్రకారం 2021 రౌండ్‌లో మన ఆర్థిక వ్యవస్థ ప్రపంచంలో మూడో స్థానం. (→ 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 ఉత్పత్తిని కొలుస్తుంది, సంక్షేమాన్ని కాదు — అందుకే ఇతర కొలతలు. హరిత జీడీపీ సహజ వనరుల క్షీణత, పర్యావరణ నష్టాన్ని తీసేస్తుంది; ఐక్యరాజ్యసమితి SEEA చట్రం, 2013లో పార్థ దాస్‌గుప్తా బృందం మన దేశానికి హరిత లెక్కల ప్రతిపాదన, MoSPI EnviStats India. మానవ అభివృద్ధి సూచిక (UNDP, 1990 నుంచి, మహబూబ్ ఉల్ హక్ రూపకల్పన) ఆయుర్దాయం, బడి సంవత్సరాలు, PPPలో తలసరి GNI — మూడింటినీ గుణాత్మక సగటుతో కలుపుతుంది. పిల్లవాడి ఆరోగ్యం, చదువు, ఇంటి ఆదాయం అన్నీ చూసి బాగోగులు చెప్పినట్టు. భారత్ మధ్యస్థ వర్గంలో. (→ 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