Jethalal is upset because he didn't receive an invitation to Babita's birthday party, which everyone in the society is attending. He feels insulted and wants to go to the party. After a series of misunderstandings and conversations, Babita invites Jethalal over the phone, and he is excited to attend the party. Meanwhile, other characters discuss their plans to attend the party, and the episode ends with Jethalal eagerly preparing to go.
Here are the key facts extracted from the text:
1. The conversation is about an invitation to Babita ji's birthday party.
2. Jethalal did not receive an invitation card for the party.
3. Babita ji and her team are organizing the party.
4. There was a misunderstanding about the invitation, but it has been cleared.
5. The party was initially planned to be held at Lonavala, but it was canceled.
6. Bapuji, Jethalal, and others are invited to the party.
7. The party is scheduled to take place, and everyone is expected to attend.
8. The conversation involves characters from the TV show "Taarak Mehta Ka Ooltah Chashmah".