1. Department of Anesthesia, Pt Jawhar Lal Nehru Govt Medical College, Chamba, India,
2. Department of Anesthesia, Sri Guru Ram Das Medical College, Amritsar, India,
3. Department of Orthopaedics, Dr Radhakrishan government Medical College, Hamirpur, India,
4. Department of Orthopaedics, Pt Jawahar Lal Nehru Govt Medical College, Chamba, India,