1. Department of Chemistry, Tripura University, Agartala, India
2. Department of Environmental Science, Ramthakur College, Agartala, India
3. K. Banerjee Centre of Atmospheric and Ocean Studies, IIDS, Nehru Science Centre, University of Allahabad, Prayagraj, India
4. Department of Geology, Chukwuemeka Odumegwu Ojukwu University, Uli, Nigeria
5. Department of Geology, University of Lucknow, Lucknow, India
6. Geo-Informatics, Civil Engineering Department, Graphic Era (Deemed to be University), Dehradun, India