HELLO RAHUL

There are various question banks from publsiher.
but the one which is best is

1.10 Last Years Solved Papers (HSC) - Science: Maharashtra Board Class 12 for 2020 Examination which is easily accessible on amazon

2.If you want a cheaper one then you can go with this

Best seller

Std 12 Science Board Chapter Wise Questions | HSC Topic Wise Board Questions PCMB - 2013 to 2019 | Std 12th Maharashtra State Board | Physics Chemistry Maths Biology which is also available on amazon with a price tag of around rs 200/-

HOPE IT HELPS!!