Please let me know if there is any corelation between urology and ent?

None. Urology deals with the urinary tract. ENT deals with ear,nose and throat.
No. Urology is the diagnosis and treatment of the urinary tract (bladder, prostate, Kidneys, etc.). ENT, or otorhinolaryngology, deals with the ears, nose, throat, sinuses, etc. The two specialities rarely have any direct connection.
Urology and ENT. Ent stands for ears nose and throat; these are surgeons who specialize in those areas urologist are surgeons who specialize in disorders of the urinary system. They are both surgeons; just different specialty focus.