Hi,

You can download the previous year question papers from the official site. But you pay for it.  The link to the website is given below

https://www.jmientrance.com/

There are also some free sites that provide previous year question papers and sample ones. One of the sites is given below. They are providing sample question papers of various exams. Check it out.

https://sample-papers.com/jamia-millia-islamia-new-delhi/papers/llm

I hope this will help you. All the best.