1. Coal Petrology Section, Resource Quality Assessment Research Group, CSIR-Central Institute of Mining and Fuel Research, Digwadih Campus, Dhanbad, India
2. Computational and Experimental Geomechanics Laboratory, Indian Institute of Technology Bombay, Powai, Mumbai, India
3. Coal Geology and Organic Petrology Laboratory, Dept. of Applied Geology, Indian Institute of Technology (Indian School of Mines), Dhanbad, India
4. Centre for Earth, Ocean and Atmospheric Sciences (CEOAS), University of Hyderabad, Hyderabad, India
5. Rock Excavation Engineering, CSIR-Central Institute of Mining and Fuel Research, Dhanbad, India
6. Rock Mechanics Laboratory, CSIR-Central Institute of Mining and Fuel Research, Dhanbad, India