MHCET law previous years question papers are not available as the authorities do not publish their question papers online. 

However there are some links which provide sample papers which can be of help to you.

Https://googleweblight.com/i?u=https://www.examcompetition.com/mh-cet-law-previous-year-papers/&hl=en-IN

Https://www.entrancecorner.com/law/mh-cet-law-sample-papers/