श्री रामचन्द्र वीर हनुमान शरण में तेरी also tell us that Hanuman was taught the Vedas and all other branches of Studying by Sunshine God himself, Surya. He learnt his lessons by trotting alongside the Solar's chariot since it moved throughout the sky. By chanting this mantra for 1000 times, https://www.youtube.com/@Mahavidyabaglamukhi