1. Department of Pulmonary Medicine Postgraduate Institute of Medical Education and Research (PGIMER) Chandigarh India
2. Department of Medical Microbiology Postgraduate Institute of Medical Education and Research (PGIMER) Chandigarh India
3. Department of Cytology Postgraduate Institute of Medical Education and Research (PGIMER) Chandigarh India
4. Department of Histopathology Postgraduate Institute of Medical Education and Research (PGIMER) Chandigarh India