coal mining process in sri lanka ppt
coal power plant in sri lanka ppt Apr 22, 2019· Two recycling machines, installed by mining company Hindustan Zinc, churn out around 25 kg of compost each from 100 kg flowers. As part of its corporate social responsibility, stateowned Coal India Limited has initiated two projects at Dakshineswar Kali Temple and Babadham Temple, in Deoghar, to produce organic fertiliser .