1. UGC Centre of Advanced Studies, University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh, India,
2. UGC- Centre of Excellence in Applications of Nanomaterials, Nanoparticles and Nanocomposites (Biomedical Sciences), Panjab University, Chandigarh, India,
3. Department of Microbiology, Panjab University, Chandigarh, India, and
4. Division of Pharmaceutics, PDM College of Pharmacy, Sarai Aurangabad, Bahadurgarh, Haryana, India