M.Sc

You have not write about the college/university name from where you wish to pursue the M.Sc. Genetics course. However, the eligibility criteria of DU's is given below for reference please.
Eligibility criteria of M.Sc. Genetics: A student seeking admission of M.Sc. (Genetics) must have passed B.Sc. (General) or B.Sc. (Hons. ). Or an equivalent undergraduate degree in any branch of life sciences / physical sciences / chemical sciences / mathematical sciences / medical sciences / pharmacology / any branch of biology / paramedical sciences with at least 60% marks in their main subject (for Hons. Stream) or in aggregate (for B.Sc. General) or other equivalent undergraduate degree. Those appearing for their final year exams can also appear for the entrance test, but they will have to produce the provisional certificate of results by the end of July of the concerned year. So from above B.Sc. BZC course is falling under the Life Science stream. Hence, you are eligible for pursuing the M.Sc. Genetics course.

Puducherry University does not offer M.Sc. Forensic Science and Criminology (One year duration course). However University offers P. G. Diploma in Criminology and Forensic Science (One year duration course). The course related details are given below. Total intake: 20
Eligibility criteria : Any Degree with 50% Marks in Under Graduation under 10+2+3 system or equivalent.
SELECTION CRITERIA: The Admission to this PG Diploma in Criminology & Forensic Science is done through an Admission Test, Group Discussion and Personal Interview. The Admission procedure varies based on uniform norms for all PG Diploma in Criminology & Forensic Science Diplomas implemented by University from time to time. Therefore, you can take admission in this programme if interested.