Science

The eligibility criteria of M.Sc. Medical Laboratory Technology is given below. Eligibility criteria: Bachelors degree with Microbiology /Medical Tech. /Bio Science / Biochemistry or PGDMLT. So B.Sc. Chemistry students cannot do M.Sc. Medical Laboratory Technology course.

No, they don't have a specialized course only for Forensics science instead they have a course in computer science engineering with specialization in Cyber Security and Forensics.

There is no entrance exam at VIT Vellore for B.Sc. (Hons.) Agriculture (4 years duration) course. The admissions are based on merit in the qualifying exam (12th).
The eligibility criteria is 10+2 with minimum 70% of aggregate marks with PCM/PCB/PCA (60% for SC/ST).

Your B.Sc. IT distance degree is valid and marks are good enough for pursuing the regular LLB course. Hence you can pursue the regular LLB course.

Please write the college/university name in which you want admission for a better response.

Agriculture is a broad-based course with great potential. It deals with things like food production, horticulture, animal rearing, rural economy and rural development, environmental health, etc. In fact, the development in technology, research, and innovation has multiplied the scope of agriculture

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.

As per the information available on Jadavpur University website, microbiology UG course is not available here.