Guys, I want to know the Procedure to join ACB, CBI or CID after B.Tech, will you please tell me the same???

Central Bureau of Investigation, Crime Investigation Department and Anti Corruption Bureau comes under the Intelligence services. To join ACB, CBI or CID after B.Tech in need to appear in the Combined Graduate preliminary Exam which is conducted by SSC every year. Following are the details of it:

Eligibility:
The applicant should have completed graduation with good academic record from any recognized university of India.

Age limit:
Age should be in between 20 to 27 years
Age relaxation is for SC/ST/OBC category as per govt rule.

The selection will be based on following:
Written Test
Interview
Physical Test

Paper pattern: