As you want to join CBI after completing Bachelor’s of Engineering in ECE so yes you can join through SSC CGL exam so here I am giving you information about it.

Eligibility:

Nationality:
Candidate should be a citizen of India.

Qualification:
Candidate should be a graduate in any specialization from a recognized university/institute.

Age Limit:
Minimum age is 21 years.
Maximum age is 27 years.

Relaxation of Age:
5 years for SC/ST

3 years for OBC

Physical Requirements:

Height:
165 cms for men

150cms for women

Selection Process:
1) Preliminary Exam
2) Main Exam
3) Personality Test

Preliminary Exam (Tire I):
This Exam Consists Of 4 Papers Which Are As Follows.

General Intelligence & Reasoning
General Awareness
Numerical Aptitude
English Comprehension


Main Exam Tire (II):
The test will be conducted on following topics.

Arithmetical Ability
English Language & Comprehension
Statistics

Interview Tire (Iii):-
Candidates have to pass preliminary & main exam to attain the interview