Ravan sent his son Aksha and army to catch Hanuman. Hanuman threw Aksha and he died. Ravan summoned his son Indrajit. He took out the Brahmastra. In order to respect Brahma, Hanuman accepted it and fell down. Hanuman was produced before Ravan.
Hanuman told Ravan “You have kidnapped Ram’s Wife. It is unfair. Sita is innocent. Lord Ram will Pardon you. He is kind. Return Sita. Otherwise youhave to face the consequences. Think over”.Ravan ordered his soldiers to tie a few rags to the monkey’s tail and set fire.
Hanuman moved all round and inside Lanka and made the entire city to catch flames.Hanuman quenched his tail in the sea water. He met Sita and took farewell.