1. Department of Environmental Science, School of life sciences, Periyar University, Salem, Tamil Nadu, India
2. PG and Research Department of Microbiology, Sri Sankara Arts and Science College, Enathur, Kanchipuram, Tamil Nadu, India
3. Department of Science and Humanities, Division of Chemistry, Saveetha Institute of Medical and Technical Sciences, Saveetha School of Engineering, Chennai, Tamil Nadu, India