1. Department of Bioscience and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
2. Department of Botany and Microbiology, Gurukula Kangri (Deemed to be University), Haridwar 249404, Uttarakhand, India
3. Centre of Nanotechnology, Indian Institute of Technology Roorkee, Roorkee 247667, India