The top left register shows Brahma, Siva and Vishnu following Indra while watching events below where Ravana is surrounded by his demon army. The lower section shows Ravani, Ravana's son, in armour
File:Brahma, Vishnu and Shiva seated on lotuses with their consorts, ca1770.jpg - Wikimedia Commons
Significance of Brahma, Vishnu and Shiva in Hinduism - Chants For Meditation