The original name of the so-called Qutub Minar was “Raja Prithviraj Temple”. In fact, it was known to local Hindus as “Raja Prithviraj Temple” until 1900.
Please don’t believe in my words. Check the archives of the British Museum. A picture was taken by the British Museum photographer John Murray in 1858 names the structure as “Rao Petarah’s Temple” and NOT “Qutub Minar”.
According to the Archeological Survey of India, the so-called “Qutub Minar” was built by demolishing 27 Hindu and Jain temples at that site in the 12th century by Islamic invaders from Central Asia.
Hindu ruins and broken Hindu idols can be found all over its premises. “Qutub Minar” literally means “victory pillar” and the central Mosque inside Qutub Minar is literally known as “Quwwat Ul Islam”( “Power of Islam”) indicating the victory of Islam over Idol worshiping local Hindus. But until 1900, Hindus referred to the site as “Raja Prithviraj Temple”. Raja Prithviraj was the last Hindu king of Delhi.
It was only after the advent of the Secular Indian republic in 1947 that the name “Qutub Minar” was formalized and taught to even Hindus.