Calcutta University

Yes, you are eligible.

Previous years questions papers are available in the university library.

You can get papers from their official site also
https://www.caluniv.ac.in/RARE-DCMNT/question/question.html.

Economics (including Micro Economics, Macro Economics, and Problems of Indian Economy), Accounting (including Financial Accounting, Corporate Accounting, Cost Accounting, and Management Accounting)
Business Statistics and Mathematics
Business organization, Management, Business Law, Company Law and Income Tax Law
General Knowledge and Current Affairs
This is the syllabus, go through it and prepare well.

Hi I search all the university is a really good you won't regret going to any of these assets but I would personally say you to go to Presidency because its campus is really good and the facilities exposure that you get there is also very good choose any with confidence you won't regret all the best.

If you have an interest in Instrumentation engineering, then you can go for that, don't go on college reputation, see what will you get after doing instrumentation engineering after 4 years. It is possible that you lose interest in instrumentation engineering in 2nd year and start coding. So, first of all, see placement scenario of the University of Calcutta in Instrumentation engineering, then go for it.

Here is the list of top colleges for M.Sc. Statistics in West Bengal
https://www.shiksha.com/science/colleges/m-sc-statistics-colleges-west-Bengal.

There are many LLM question papers available online and even in university library. Many books are also available in the market.

Kindly visit this link:
https://www.shiksha.com/university/calcutta-university-kolkata-24674/reviews?course=323031#381451

You can go ahead with this M.A. Calcutta university is a good choice. You will get practical exposure as well. All the best.