As you want to get the details of joining CBI after completing Information Technology so here is the information of the same for you;

To join CBI you need to appear for CGPE exam i.e. Combined Graduate preliminary Exam which is conducted by SSC board every year.

QUALIFICATION:
Graduation in any Discipline.

AGE:
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 years.

Career Opportunities at CBI:
Recruitment Notice in Employment News and all leading dailies.

Visit the recruitment section on Central Bureau of Investigation website