"The Muslim invaders were necessarily impressed by Indian architecture and sculpture, expressing as they do foreign religious emotions in terms of images and emblems. What they saw at Delhi, and the other cities of India, which they attacked, was absolutely foreign to them. Yet when they came to raise their own religious buildings, they were not averse to using the spoils of their temples… The ruthless desecration and makeshift conversion of Indian temples into Mosques has led many scholars to regard Indo-Muslim architecture as nothing more than a local variety of hybrid nature. In point of fact, these early Indian mosques which were compiled from Brahamanical fragments, such as the Deval Masjid at Bodhan near Hyderabad, have no direct bearing on the general development of Mosque architecture in India.… On the other hand the use of the spoils of non-Muslim ruins was a widely recognised feature in early Muslim architecture…"
January 1, 1970
https://en.wikiquote.org/wiki/Indo-Islamic_architecture