The objective of the present investigation is to explore the possibility of recovery of coal values from the tailing dump, so as to recover the coal values from the discarded product for sustainable development and optimum utilization of coal reserves. The influence of two important variables which commonly fluctuate in the operating plants, such as feed solid concentrations and collector dosage, has been varied and analyzed to study their influence on flotation performance. Among the variables studied, the pulp density of 8% of feed solid concentration was found to be most suitable level. A collector dosage of 0.105 kg/ton of coal gave the best result in term of ash reduction.