"Delhi: “He (Alaud-Din) ordered the circumference of the new minar to be made double of the old one (Qutb Minar)… The stones were dug out from the hills and the temples of the infidels were demolished to furnish a supply” (Ibid.)."
January 1, 1970
https://en.wikiquote.org/wiki/Qutb_Minar_complex