What is diffrence between IAS examination and UPSC examination?

UPSC examination might mean examinations for Civil/ Administrative Services, forest services, foreign services, engineering services, economic services and so on. but normally when people talk about UPSC examination, they mean Civil Services(IAS)

There are no diffrence between ias &upsc .ias is the part of upsc exam

IAS is basically a service rendered in the administrative side for the Government of the country. UPSC is the body which conducts the entrance exam for this purpose.

Hello UPSC is the body which conduct Civil services examination if you get better rank you may get IAS after that IFS(Indian foreign service) , IPS , IPOS, ICS, and many more its combined competitive examination UPSC is the body which conduct various type of gazetted officer or renowned post exam