hello aspirant,

we can not directly provide you the study material, but we can help you choose the best books for the exam, refer to the link to know about these books-

https://engineering.careers360.com/articles/what-are-best-books-for-gate-preparation

you can buy them from any stationary shops or get a scanned copy for the preparation.

also, if you want to know the tips as to how to prepare for this exam in 6 months, we can help you with a link-

https://engineering.careers360.com/articles/how-prepare-for-gate-in-6-months

hope that helps

all the best