Hanuman was a person of those four monkeys. This monkey team was instrumental in providing Rama important information about Sita. They helped him develop a bridge across the seas, and cross above using a monkey army that successfully stormed the demon stronghold and freed Sita. भस्मसादभवदैत्यो दुष्टचेष्टितमन्तकृत् ॥ २३ ॥ https://mantra93260.shotblogs.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-kamdev-51620627