1. Department of Microbiology, West Bengal State University, Barasat, Berunanpukuria, P.O. Malikapur, North 24 Parganas, Kolkata 700126, West Bengal, India
2. Crystallography and Molecular Biology Division, Saha Institute of Nuclear Physics, Block – AF, Sector – 1, Bidhannagar, Kolkata 700064, West Bengal, India