M.Sc

Yes ,your rank is good enough to get a seat.
Good luck

Checkout this link, it will help you
https://www.shiksha.com/university/north-eastern-hill-university-shillong-24782/admission
Mostly, they follow their own syllabus.

Hello,
Astrophysics is a very broad subject, astrophysicists apply concepts and methods from many disciplines of physics, including mechanics, electromagnetism, statistical mechanics, thermodynamics, quantum mechanics, relativity, nuclear and particle physics, and atomic and molecular physics. Thank you.

Hi Kuldeep Jain
Kindly predict your college in this college predictor. JEE Main rank predictor is an online tool which predicts the candidates rank range and probable colleges based on the difficulty level of the examination, average marks scored in JEE Main and seats available in IITs, NITs, GFTIs, and other SFTIs. The rank predicted might not be accurate but it certainly does give an idea to the aspirant. Know your college admission chances based on your JEE Main Rank, Home State, Caste, Gender, etc. Here https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
Hope this helps!
Good Luck. !!

You can buy a book of 30 year previous year questions papers from Amazon.com.

hey
The admission is based on PUCET for getting admission in M.Sc Mathematics.
Candidates can apply through online as well as offline mode of registration. Punjabi University offers courses in the fields of Pharmacy, Library sciences, Management, Commerce, Languages, Computer Application, Performing Arts, Law, Engineering, and Business Administration , M.Sc etc
best wishes

https://www.lnmiit.ac.in/Department/Physics/Physics_MSc.html
This link will tell about your eligibility criteria that IIT JAM is not necessary but if you are not eligible on this basis then there will be written test would.be taken.
IIT Jam cut-off range may lie between 14 -16.

As per my knowledge, there is no examination for this course. They shortlist the candidate based on graduation percentage.

No, for M.Sc, your graduation marks will matter. Board marks don't matter here. Good luck.