1. Department of Chemistry, Visva-Bharati University, Santiniketan 731235, India
2. Department of Physics, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
3. Department of Botany, Visva-Bharati University, Santiniketan 731235, India
4. Department of Chemistry, Seacom Skills University, Kendradangal, Bolpur,
Birbhum 731236, West Bengal, India
5. Department of Chemical Engineering, Indian Institute of Technology (ISM) Dhanbad 826004, India