Q.Discuss the major difficulties involved in measuring national income in the Indian economy.

India's economic structure creates several genuine obstacles to precise national income measurement, distinct from the difficulties faced in a fully organised economy.

Measuring national income precisely is genuinely harder in India than in a fully organised, fully monetised economy, for several structural reasons:

• Large unorganised/informal sector — a substantial share of India's workforce operates in units too small or informal to file the accounts or returns that national income compilers normally rely on, so their contribution has to be estimated indirectly through sample surveys rather than measured directly.
• Non-monetised transactions — in much of rural India, part of what is produced (particularly in subsistence agriculture) is consumed by the producer's own household or exchanged informally rather than sold in a market, so no price/quantity record is generated and the value has to be imputed.
• Lack of occupational specialisation — many rural households combine farming with allied activities such as livestock-rearing, petty trade, or seasonal wage labour rather than following a single defined occupation, making it harder to attribute their income cleanly to one sector.
• Inadequate and delayed data — large, reliable surveys of agricultural output, household consumption, and informal enterprises take considerable time to conduct and compile, especially in remote areas, so early national income figures are provisional and subject to later revision.
• Illiteracy and poor record-keeping — many small producers and self-employed workers do not maintain the kind of written accounts that make income easy to verify directly, so estimators must rely on sample-based inference.
• Risk of double counting — care is needed at the value-added stage to avoid counting the value of intermediate goods both when produced and again when embodied in a final good.
• Valuing non-market services — services performed within a household, most visibly unpaid domestic work, have genuine economic value but generate no market price, so by international convention they are excluded from national income altogether — a recognised limitation of the concept, not an oversight by Indian statisticians specifically. …

Students often list only two or three points (usually the informal sector and non-monetisation) and stop — a full-marks answer for this question needs the fuller list, since Indian board examiners typically expec …