The Emperor Was delighted with Tulsidas and presented the Hanuman temple with the Islamic crescent Moon finial which adorns the temple spire. It is also claimed that due to crescent moon symbol to the spire, the temple wasn't destroyed through the Muslim rulers who invaded India at many periods. There's https://hanumanmandirsydney.com.au/can-i-book-a-special-puja-or-ceremony-at-hanuman-mandir-sydney/