Sultan Ghari was the first Islamic Mausoleum (tomb) built in 1231 AD for Prince Nasiru'd-Din Mahmud, eldest son of Iltumish, in the “funerary landscape of Delhi” in the Malakapur village (near Vasant Kunj). Iltumish was the first Sultan of the Slave Dynasty who ruled in Delhi from 1210 to 1236 AD (...) (from Wikipedia)