Identifying Methods for Estimating Black Money in India

The estimation of black money, or undisclosed income, involves various economic approaches. This question asks to identify methods relevant to estimating black money specifically within the Indian context.

Analysis of Methods

• Kaldor's Approach: This method, often related to Nicholas Kaldor's work on tax evasion, suggests that the extent of tax evasion can be measured by comparing the actual tax revenue with the potential revenue that could be collected if all income were declared. It's a foundational concept in estimating hidden income.
• NIPFP Method: The National Institute of Public Finance and Policy (NIPFP) has conducted significant research on the size and estimation of the parallel or black economy in India. Their methodologies often involve multiple indicators and analytical frameworks.
• O. P. Chopra's Method: O. P. Chopra is recognized for his studies and estimations related to the magnitude of black money in India, contributing specific analytical techniques to the field.
• Arjun Sengupta's Work: While Professor Arjun Sengupta has made substantial contributions to understanding poverty, inequality, and the informal sector in India, his primary focus is generally not on the direct *estimation* of black money using specific quantitative methods like the others listed.

Conclusion on Black Money Estimation Methods

Based on established research and common references in Indian economic studies regarding the parallel economy:

• Kaldor's approach provides a theoretical basis for measuring tax evasion, a component of black money.
• NIPFP has developed specific methodologies for estimating the black economy in India.
• O. P. Chopra's method is also cited in the context of quantifying black money in India.

Therefore, methods I (Kaldor's approach), II (NIPFP method), and III (O. P. Chopra's method) are directly associated with estimating black money in India.

The correct option includes these three methods.