Dear Kasula

Yeah definitely you will get your respective book i.e GRB Physics textbook in books as well in Online sites as well like Amazon, Flipkart etc. So you can also search it there via online you will easily get those books.

All the best 

You can purchase it from online store like amazon or flip kart. check this link given below: https://medicine.careers360.com/articles/neet-exam-pattern

thankyou.