Hello Sanjay,
There are 35 seats for M.Sc Physics in University of Rajasthan. And as per the reservation policy, 50% of the seats are for reserved categories (21% for OBC except creamy layer).
You can go through the link below to check the reservation policy-

https://www.uniraj.ac.in/index.php?mid=3205

And, in Maharshi Dayanand Saraswati University, M.Sc programmes are offered in Applied Chemistry, Chemistry, Botany, Environmental Science, Food and Nutrition, Microbiology, etc.
Go through the link below to check the prospectus-

https://www.mdsuajmer.ac.in/upload/MDSU%20Prospectus%202018-19.pdf

Good Luck!

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