Part1:
Princess karkata gives birth to a son . finally her father asks her who is the father of this child. In a cryptic way she replies that , king ravan is their relative and king Kumvkaran is the father of this child. The two great pillars of rakhshash clan.
She recounts how she met and married Kumvkaran.
Once when Kumvkaran was in their region with his grandfather, she looked at him and fell in love with him. Same thing happened with Kumvkaran too. When she took him to show the scenic beauties, he proposed to perform Gandharv marriage with her. She agreed and the child is the furit of the marriage.
Then, some banished , destitute rakshashas from lanka come to seek sanctuary there and they tell them what has happened in lanka.
Angered by grief, karkati vows to come and detroy ram. As she is making the promise, sita wakes up from her sleep with a start.
Ram consoles her , saying no one can do any harm to them. Assured, sita goes back to sleep but ram is sitting worrie for a long time.