It's the 5th by seventh century CE when outer style and appearances of Hindu temples in north India and south India began to greatly diverge. Additionally it is thought that this temple has Swayam-bhu of Lord Hanumana which implies that Hanumana himself had appeared right here. It is usually reported https://www.tumblr.com/hindutempleadelaide/775737028948131840/exploring-the-divine-presence-of-hanuman-ji-mandir?source=share