1. RMT Lab, R&D and SS, Tata Steel Ltd., Jamshedpur, Jharkhand 831001, India
2. Department of Fuel, Mineral and Metallurgical Engineering, IIT (ISM), Dhanbad, Jharkhand 826004, India
3. Ex-Principal Researcher, Coal and Coke Making Research, R&D, Tata Steel Ltd., Jamshedpur, Jharkhand 831001, India
4. Scientific Services, Tata Steel Ltd., Kalinganagar, Odisha 755026, India