1. Department of Biophysics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
2. Department of Pharmacology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
3. Department of Ophthalmology, Government Medical College and Hospital, Chandigarh, India
4. Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India