1. EWRE, Dept. of Civil Engineering, Indian Institute of Technology Madras India
2. Research and Development Lab, Samudhyoga Waste Chakra Pvt. Ltd, Chennai, India
3. School of Chemical Engineering, Vellore Institute of Technology, Vellore, India
4. Department of Fuel, Minerals and Metallurgical Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, India