Introduction:
In Paper I of the UPSC exam, candidates are required to answer questions on general studies, including subjects like history, geography, economics, politics, science, and current affairs. When it comes to formatting the answers, there is no strict rule regarding the use of points or paragraphs. However, both methods have their own advantages and should be used appropriately based on the nature of the question and the content being conveyed.

Using Points:
1. Clarity: Writing answers in points can help in maintaining clarity and conciseness. It allows the candidate to present information in a systematic manner, making it easier for the examiner to understand and evaluate the response.
2. Organization: Points provide a structured approach to answering questions, enabling the candidate to address different aspects of the topic separately. This helps in presenting a well-organized response, which is crucial for scoring high marks.
3. Highlighting Key Points: By using bullet points, candidates can effectively highlight the key points or arguments in their answers, making it easier for the examiner to identify the important aspects of the response.
4. Time Management: Writing in points allows candidates to save time by avoiding unnecessary elaboration. It helps in presenting information in a concise manner, which is particularly beneficial when time is limited during the examination.

Using Paragraphs:
1. Coherence: Some questions require a detailed and coherent explanation, which can be best achieved through paragraphs. This format allows for a logical flow of ideas and provides a comprehensive understanding of the topic.
2. In-depth Analysis: Certain questions demand an in-depth analysis or critical evaluation. Writing in paragraphs allows candidates to explore various dimensions of the topic, present arguments, and provide supporting evidence in a more comprehensive manner.
3. Essay-like Questions: For questions that resemble essay-type prompts, paragraphs are more suitable. They allow candidates to develop their arguments, provide examples, and offer a well-structured narrative that demonstrates their understanding and analytical skills.

Choosing the Appropriate Format:
The choice between using points or paragraphs depends on the specific requirements of the question and the depth of analysis needed. It is essential to read the question carefully and understand the key aspects that need to be addressed. If the question demands a concise and structured response, using points can be the most effective approach. On the other hand, if the question requires a detailed explanation or critical analysis, writing in paragraphs would be more appropriate.

Conclusion:
In Paper I of the UPSC exam, there is no strict rule regarding the use of points or paragraphs for answering questions. Both formats have their own advantages and should be chosen based on the nature of the question and the content being conveyed. It is important for candidates to understand the requirements of the question and use the appropriate format to present their answers in a clear and organized manner.