Eligibility criteria for CBI

What are the eligibility criteria to become a CBI officer, please provide here???

[Quick Sam]

To become a CBI officer you have to appear the exams conducted by UPSC.
It is called the Combined Graduate Level Examination.
This exam is held once a year for the post of Sub-Inspectors of Police in Central Bureau of Investigation.

Eligibility:
The applicant should hold graduation or any bachelor's degree from a recognized university.

Age criteria:-
The age limits are 20 years to 27 years,
3 years age relaxation for OBC candidates,
5 years age relaxation for SC/ST candidates.

Selection procedure:
Selection is based on following steps:

Written examination
Personal interview

The written test will cover following topics:

English Comprehension
Numerical Aptitude
General Awareness
General Intelligence and reasoning ability

Paper pattern

What are the Central Bureau of Investigation officer eligibility criteria, would you like to provide here???