Because Most of the People in Kashmir is following the religion of invaders. Hinduism is Native religion of Kashmir
Kashmir which Name derived From grate Sage Kashyup .Kashmir Pundits Which are Expelled are Real Natives of Kashmir valley Not Pastun and Afghani Tribes who are Invaded Kashmir during numerous Islamic invasions
Our Temples and Pilgrims are Much more older and ancient than you So is or culture When Islam was not even Existed as faith in the World
Martand Sun Temple Central shrine
The foundation of the temple is said to have been around since 370-500 CE, with some attributing the construction of the temple to have begun with Ranaditya Islam was Not even existed Back then
Shankaracharya temple