A rheumatologist is a doctor who receives additional training in musculoskeletal diseases and autoimmune conditions that affect the joints, muscles, and bones, causing pain, swelling, stiffness, and deformity. To become a rheumatologist requires an MD or DNB qualification in internal medicine. Rheumatologists can work in hospitals and the community to treat rheumatic disorders, conduct research, and teach other medical professionals. The monthly salary of a rheumatologist in the corporate sector is between Rs. 600,000 to Rs. 1,300,000.