1. Microbiology Laboratory, Department of Botany (DST-FIST & UGC-DRS Funded), Institute of Science, Visva-Bharati (A Central University), Santiniketan, West Bengal 731235, India
2. Department of Environmental Studies, Institute of Science, Visva-Bharati (A Central University), Santiniketan, West Bengal 731235, India
3. Department of Statistics, Institute of Science, Visva-Bharati (A Central University), Santiniketan, West Bengal 731235, India