The Pallavas ended up one of the ancient south Indian dynasties which were active in Andhra location in the 2nd century onwards and moved south to settle in Tamil Nadu. The pillars in the Eastern Gateway attribute elephants while in the four way, done by mahouts holding a Buddhist banner. https://javatourbylocals.com/Blog/Discover-the-Rich-History-of-Borobudur-Temple-A-Journey-Through-Time/