Coal ash is a waste product generated from coal based thermal power plants. Globally, disposal of fly ash is a great challenge for the planners. Dumping the ash in nearby wastelands is most preferred disposal method adopted by the agencies. In India, such depositions are often transformed in to varying sizes of ponds that are known as ash ponds. Out of the 8 major thermal power plants of Maharashtra, fly ash ponds associated with concerned Thermal Power Station were explored as habitats for the faunal diversity.