In the order to get in to the CBI you need to appear in an entrance examination which is Combined Graduate preliminary Exam. This entrance examination is conducted by the staff selection commission.

Other branches of the CBI are as following:

State Crime Investigation Bureau
Finger Print Bureau
And Scientific Section

Required qualification:
The applicant should have completed graduation in any discipline with good academic record from any recognized university of India.

Age limit:
You should be in between 20 to 27 years of Age. & special Relaxation is given to SC/ST which is 5 years and For OBC 3 year

CBI present requirement

Appointment / Recruitment / Vacancies in CBI

Departmental Competitive Examination in CBI