1. Department of Chemistry, Visva-Bharati University, Santiniketan 731235, India
2. Department of Natural Products, National Institute of Pharmaceutical Education and Research, Kolkata 700054, India
3. Department of Botany, Visva-Bharati University, Santiniketan 731235, India
4. Department of Chemical Engineering, Indian Institute of Technology (ISM) Dhanbad 826004, India
5. Department of Physics, University of Kalyani, Kalyani 741235, India