The passage mentions that the writer went to a disco in Thamel. The name of the disco is not explicitly stated in the passage. So, we can't answer the first question accurately.
In the passage, it is mentioned that there was a lovely girl in blunders. However, it does not mention the color of her dress. So, we can't answer the second question accurately.
No, the girl did not dance with the writer. The passage states that the writer was too shy to ask anyone for a dance, so he sat down and watched others dance. The girl rejected all three men who asked her to dance. So, the answer to the third question is "No, the girl did not dance with the writer."
The passage does not mention that the chap gave anything to the lovely girl. So, we can't answer the fourth question accurately.
The writer sat down and watched how the other lads asked girls to dance. So, for a while, the writer observed and learned from others. The writer did not take any action during this time. So, the answer to the fifth question is "The writer thought and observed for a while."