Explanations:
Dadabhai Naoroji made the first crude estimates National Income for year 1867-68 in the year 1876. In 1934, V.K.R.V. Rao publish ''An Essay on India's National Income 1925-29'', which was regarded as the first scientific determination of National Income in India. In 1949, Govt. of India appointed National Income Committee under chairmanship of P.C. Mahalnobis