Can anyone suggest me some good mock and solved papers on PCM from JEE Main and AIEEE exam?

For PCM, you can prefer any of
these books:

i.
Challenger Physics, Chemistry & Maths for
JEE Main & Advanced from Disha Publication

ii.
Master Mathematics, Physics & Chemistry for
JEE Main from Arihant

iii.
JEE Main Success pack with CD from Disha
Publication

iv.
Practice sets for JEE Main from Arihant