1. Prof. Rajendra Singh Nanoscience and Nanotechnology Centre, Department of Chemistry, DSB Campus, Kumaun University, Nainital, Uttarakhand, India
2. Department of Chemistry, Graphic Era Hill University, Bhimtal Campus, Nainital, Uttarakhand, India
3. Dr. B.C. Roy College of Pharmacy & Allied Health Sciences, Durgapur, WB, India