The Emperor Was pleased with Tulsidas and introduced the Hanuman temple with the Islamic crescent Moon finial which adorns the temple spire. It is also claimed that because of the crescent moon image about the spire, the temple wasn't wrecked by the Muslim rulers who invaded India at different periods. https://hanumanmandirsydney.com.au/can-i-book-a-special-puja-or-ceremony-at-hanuman-mandir-sydney/