The Emperor Was happy with Tulsidas and offered the Hanuman temple by having an Islamic crescent Moon finial which adorns the temple spire. It's also claimed that due to crescent moon image to the spire, the temple wasn't destroyed with the Muslim rulers who invaded India at various instances. Attending https://hanumanmandirwellington.org.nz/hanuman-mandir-wellington-a-spiritual-haven-in-new-zealand/