The Emperor Was pleased with Tulsidas and presented the Hanuman temple using an Islamic crescent Moon finial which adorns the temple spire. It is also claimed that due to crescent moon symbol around the spire, the temple wasn't destroyed via the Muslim rulers who invaded India at several instances. This https://hanumanmandiradelaide.com.au/how-to-do-pooja-on-hanuman-jayanti-a-step-by-step-guide-for-a-meaningful-celebration/