Nephrologist
A physician deals with kidney diseases is known as nephrologist. A nephrologist is a super specialist. After, completion on graduation (M.B.B.S), and post-graduation (internal medicine), then 3 years training of nephrology (D.M Or D.N.B) is required.

Urologist

A surgeon who deals with the kidney and the urinary system is known as a urologist. A urologist is a super specialist. After, completion on graduation (M.B.B.S), and post-graduation (general surgery), then 3 years training of Urology (M.C.H or D.N.B) is required.