1. Department of Geology, University of Calcutta, Kolkata, India
2. Department of Earth and Atmospheric Sciences, National Institute of Technology, Rourkela, Odisha, India
3. Geological Studies Unit, Indian Statistical Institute, Kolkata, India
4. Department of Geology, Durgapur Government College, Durgapur, India
5. Department of Geology, Triveni Devi Bhalotia College, Raniganj, India