1. Institute of Advanced Study in Science and Technology, Paschim Boragaon, Guwahati 781035, Assam, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
3. Technical University of Muenchen, Lichtenbergstr. 4, 85748 Garching, Germany
4. Gauhati University, Guwahati 781014, Assam, India