In this episode King Dasaratha performs Putra Kameshti yagam. Pleased by his devotion Sri Maha Vishnu himself is born as Sri Rama and Bharata lakshmana shatrugna.
(Story of Sri Rushya shringar is also briefly mentioned)
The detailed story of Shri Rushya shringar can be listened in these links of kadhai neram.
https://anchor.fm/kadhaineram2020/episodes/Stories-from-Ramayana--Story-of-Sri-Rishyashrigar-epgd14
https://anchor.fm/kadhaineram2020/episodes/Rishyashringer-part-2-epjkk4
Hari Om this is Raji patti telling you stories.