1. Department of Tuberculosis & Chest Diseases, Sarojini Naidu Medical College, Agra
2. Associate Professor, Department of Tuberculosis & Chest Diseases, Sarojini Naidu Medical College, Agra
3. Attending Consultant, Department of Pulmonary Medicine, Sapphire Hospital, Mumbai
4. Professor and Head, Department of Tuberculosis & Chest Diseases, Sarojini Naidu Medical College, Agra