Poverty Line Estimation

Social Justice & Welfare
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Version 1Updated 9 Mar 2026

Article 47 of the Constitution of India states: 'The State shall regard the raising of the level of nutrition and the standard of living of its people and the improvement of public health as among its primary duties and, in particular, the State shall endeavour to bring about prohibition of the consumption except for medicinal purposes of intoxicating drinks and of drugs which are injurious to hea…

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Poverty line estimation in India has evolved from simple calorie-based norms to complex consumption expenditure models. The Alagh Committee (1979) introduced calorie norms (2400 kcal rural, 2100 kcal urban).

The Lakdawala Committee (1993) introduced state-specific poverty lines using CPI-AL/IW. A significant shift occurred with the Tendulkar Committee (2009), which moved away from calorie norms, adopting a unified consumption basket for rural and urban areas, incorporating expenditure on health and education, and using a Mixed Reference Period (MRP).

This resulted in higher poverty estimates. The Rangarajan Committee (2014) further refined the methodology, proposing higher calorie norms, separate consumption baskets for rural and urban, and higher poverty lines than Tendulkar.

While no new official poverty line has been adopted since Rangarajan, the Tendulkar line is often referenced, and there's a growing focus on the Multidimensional Poverty Index (MPI) .

The poverty line is crucial for targeting government welfare schemes and is constitutionally linked to Article 47 (DPSP). It faces criticism for its unidimensionality, arbitrariness, and potential for exclusion/inclusion errors.

International comparisons use Purchasing Power Parity (PPP) to account for differing costs of living, with the World Bank's extreme poverty line currently at $2.15 PPP per day.

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<ul><li><strong>Alagh Committee (1979):</strong> Calorie norms (2400 rural / 2100 urban).</li><li><strong>Lakdawala Committee (1993):</strong> State-specific PLs, CPI-AL/IW.</li><li><strong>Tendulkar Committee (2009):</strong> Shift from calorie, unified basket, health/education, MRP.

PL for 2011-12: Rs. 816R / Rs. 1000U.</li><li><strong>Rangarajan Committee (2014):</strong> Higher calorie norms (2155R / 2090U), separate baskets. PL for 2011-12: Rs. 972R / Rs. 1407U.</li><li><strong>Constitutional Link:</strong> Article 47 (DPSP).

</li><li><strong>International PL:</strong> World Bank $2.15 PPP (extreme poverty).</li><li><strong>Mnemonic:</strong> ALERT (Alagh-Lakdawala-Expert group-Rangarajan-Tendulkar).

<strong>ALERT: A</strong>lagh, <strong>L</strong>akdawala, <strong>E</strong>xpert group, <strong>R</strong>angarajan, <strong>T</strong>endulkar. (Note: The prompt specified ALERT as Alagh-Lakdawala-Expert group-Rangarajan-Tendulkar, but chronologically it should be Alagh-Lakdawala-Tendulkar-Rangarajan-Expert group.

The mnemonic is for committee recall, not strict chronology. For strict chronology, remember: 'ALRT' - Alagh, Lakdawala, Tendulkar, Rangarajan, with Expert Group (Panagariya) coming after Rangarajan.

  • <strong>A</strong>lagh (1979): Calorie King (2400R/2100U).
  • <strong>L</strong>akdawala (1993): State-Specific Price Updater (CPI-AL/IW).
  • <strong>T</strong>endulkar (2009): Health & Education Unifier (MRP, unified basket).
  • <strong>R</strong>angarajan (2014): Higher Threshold Re-evaluator (Higher PL, separate baskets).
  • <strong>E</strong>xpert Group (Panagariya, 2015): NITI Aayog's MPI Proponent.
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