A possible concise summary is:
The text is a transcript of a drama scene where Shani, a young man, is engaged to his cousin Sajila, but also has feelings for Shanzay, his boss's daughter. Shanzay also loves Shani and knows about his engagement. Sajila is insecure and jealous of Shanzay, and confronts her at a wedding. Shani's sister Nadia gets married to Khawar, who is grateful to Shanzay for giving them a car as a gift. Shani's mother is suspicious of his relationship with Shanzay and wants him to marry Sajila. Shanzay's mother finds out about Shani's engagement and tries to persuade her to forget him, but she refuses.
Here are the key facts extracted from the text:
1. Shanzay gave a car to the speaker as a wedding gift.
2. Shani is the speaker's brother.
3. Sajila is Shani's fiancée and the speaker's cousin.
4. Shanzay is Shani's boss's daughter.
5. Nadia is the speaker's sister.
6. The speaker's mother is worried about Shani's relationship with Shanzay.
7. Shanzay thinks the speaker's favorite color is the color she is wearing.
8. The speaker's mother is not sure if she should complain or thank someone for sending a car.
9. Shani is engaged to Sajila, but Shanzay is in love with him.
10. Sajila has broken off her engagement with Shani.
11. Shanzay is aware of Shani's engagement but still loves him.
12. The speaker's mother is concerned about Shanzay's behavior and thinks she is arrogant because of her wealth.
13. The speaker's aunt left Shanzay at the speaker's home to help with the wedding work.
14. Shanzay's mother is worried about her daughter's behavior and thinks she is being foolish.
15. Shanzay's mother warns the speaker's mother about Shanzay's intentions and thinks she is trying to steal Shani away from Sajila.
Note: Some of these facts may be subject to interpretation, but I have tried to extract the most concrete and objective information from the text.