Hello dear
Yes definitely you can give cds exam even anyone who hold a graduation degree is eligible for cds exam. But the student who are not doing engineering can go in Army only they are not eligible for air force and navy.
https://www.google.com/amp/s/competition.careers360.com/articles/cds-eligibility-criteria/ampamp
On this above link you will get to know all eligibility criteria for cds.
Good luck
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