Bhattacharya, J. “The Calculation for 2-2.5% Contribution of Minerals Sector to Indian GDP Is Underestimated and Plain Wrong; The Actual Figure Can Be Close to 10%”. Journal of Mines, Metals and Fuels, vol. 71, no. 6, July 2023, pp. 715-8, doi:10.18311/jmmf/2023/34504.