Hello Shubham !

You can download previous year papers from the following links , of biology , Mathematics and Art & Commerce Group :

https://drive.google.com/file/d/14qRWknmDpm872lY2sWUqS3P5PWI6m3kh/view

https://drive.google.com/file/d/1YolQ2NKg7_JhiHKlZl9mf8LW3pqyN3cw/view

https://drive.google.com/file/d/1YolQ2NKg7_JhiHKlZl9mf8LW3pqyN3cw/view

https://drive.google.com/file/d/1RTiVVvLw-SFX7Hw1bIhO5BDm_HW1-TPa/view

https://drive.google.com/file/d/1pHWBHcoNngNjHJkI5M0Xo2pOlq6Aoo7f/view

https://drive.google.com/file/d/1IhCOsUWssG_shcfD-hJGewiDN2zajBfE/view

https://drive.google.com/file/d/1Kw6sRWLqOS7v-ntKJkiqQ1DayHHbNjrN/view

Hope it helps !