1. Clinical Immunology and Rheumatology Unit, Department of Internal Medicine Post Graduate Institute of Medical Education and Research Chandigarh India
2. Department of Nephrology Post Graduate Institute of Medical Education and Research Chandigarh India
3. Department of Histopathology Post Graduate Institute of Medical Education and Research Chandigarh India
4. Department of Internal Medicine, Clinical Immunology and Rheumatology services Post Graduate Institute of Medical Education and Research Chandigarh India