Hello,
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As you completed you BSC in forensic science.
There may or They may not be Exams to get jobs based on the sector you wanted to go.
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You can get a job even in private as well as government.
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Let me help you out with some of the best jobs and there exams to get a job.

Investigation Bureau=CGPE
Forensic Expert=NET
CBI group A officer=civil service by UPSC
CBI Sub inspector=SSC CLG
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These are some of the best jobs.You haven't said whst job you are willing to do.there are even  some jobs which doesn't need any exam for job.
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Firstly clear yourself that what job you wanted to do.
Then think of alternative jobs.
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Best of luck