Hanuman was 1 of such four monkeys. This monkey group was instrumental in providing Rama critical specifics of Sita. They assisted him establish a bridge across the seas, and cross more than having a monkey army that efficiently stormed the demon stronghold and freed Sita. भस्मसादभवदैत्यो दुष्टचेष्टितमन्तकृत् ॥ २३ ॥ https://andersonotwxy.blogsvirals.com/36610042/hanuman-things-to-know-before-you-buy