Daisy Rani Prasad, Mili Dutta 2023. Indian Firms and Social Responsibility- An Analysis of Relationship between CSR Investment and Business Performance Using ESG Index in Central Coalfields Limited. European Economic Letters (EEL). 13, 3 (Apr. 2023), 276–281. DOI:https://doi.org/10.52783/eel.v13i3.249.