Distance M.Sc

M.Sc (Information Technology): Eligibility
Candidates can be eligible for admission if they fulfill any of the following conditions:
Bachelors degree in Information Technology / Computer Science / Physics / Stats / Electronics or equivalent examination with at least 45% marks in aggregate from a recognized university.
B.Tech / BE degree holders in Computer Science / Informational Technology are also eligible for M.Sc IT course.
Aggregate percentage required in graduation or equivalent may vary from college to college.

Please refer to the link provided below for details regarding eligibility criteria and admission details for a distance M.Sc. in EduKart.com.
https://www.shiksha.com/science/course/distance-m-sc-edukart-com-agra-234877

Please refer to the link provided below for colleges which offer courses in M.Sc. Dietetics. You should be able to download their brochure which will give you a fair idea of any distance courses in M.Sc. (Dietetics).
https://www.shiksha.com/science/colleges/m-sc-food-nutrition-colleges-india

Please refer to the link provided below for details on courses offered by Madras University. You will be able to check college affiliations and recognition. Madras University is one of the institutions which is recognised by UGC with a potential for excellence.
Here is the link:
https://www.shiksha.com/university/university-of-madras-chepauk-chennai-23679

Well, the validity of your degree certificates will depend on the institute from where you have completed your certifications from, and whether the institutes are UGC or AICTE approved. You will be able to get this information from your institute or from the official site of your college.

Yes, there are many foreign colleges/universities offering online or distance learning degrees in M.Sc. (IT). For a list of colleges, please check online.