Hello,

Youu can download the previous years question papers and 2021 model papers of class 12 Maharashtra State board from the link below

https://www.google.com/amp/s/school.careers360.com/articles/maharashtra-hsc-question-papers/amp

You will also get more details about the important chapters and exam pattern from  here. There are lot of good publication books available which offers chapter wise question answers. Also, if you  search on google you will find lots of resources regarding it.

Hope it helps!

good luck!