hello ayush das,

the best way of preparation for ANTHE exam is  refer and go through NCERT books.apart from this,you can use Arihant's publications series books-maths,chemistry,physics.

do the preparation regularly and take mock tests.prepare with previous year question papers,it will be help ful.

all the best!

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)