Difference Between Civil & Group Exam

What is difference in between Civil & Group exam, will you please provide here???

[Raman Vij]

Civil services examinations are held at national levels conducted by Union Public Service Examination.
On the basis of the rank, candidates are appointed as:

IAS,
IPS,
IFS
Etc.

Groups exams are divided into 4 types of based on posts.

Deputy collector
Deputy registrar of coorperative socities
District employment officer
Assistant director
MRO
RTO
SI

Group exams are conducted at state level, like:

APPSC
TNPSC

Both the state exam and civil service exam go through three stages.
1. Preliminary
2. Mains
3. Personal interview