1. Department of Chemistry, Design, Synthesis and Simulation Laboratory, Raiganj University, Raiganj, India
2. Chemical Laboratory, Damodar Valley Corporation (DVC), Koderma, India
3. Kolkata Zonal Centre, CSIR- National Environmental Engineering Research Institute (CSIR-NEERI), Kolkata, India
4. Department of Applied Geosciences, GZG – University of Göttingen, Göttingen, Germany