Techniques for Extracting Relevant Case Studies and Examples from Previous Years Papers:

1. Understand the Question:
- Read the question carefully and identify the specific topic or concept that the case study or example should relate to.
- Highlight keywords or phrases that indicate the required information.

2. Analyze Previous Years Papers:
- Go through previous years' papers related to the topic you are studying.
- Pay attention to questions that require case studies or examples.
- Identify common themes or topics that frequently appear in these questions.

3. Identify Relevant Case Studies and Examples:
- Look for case studies and examples that directly relate to the topic or concept mentioned in the question.
- Focus on real-life scenarios, events, or situations that demonstrate the application or relevance of the concept.
- Select case studies and examples that are recent and provide up-to-date information.

4. Use Keywords and Phrases:
- Look for keywords and phrases in the question that can help you locate relevant case studies and examples.
- Utilize these keywords and phrases while searching for previous years' papers or related study materials.
- Use search functions (Ctrl+F) to locate specific keywords within the papers.

5. Take Notes and Organize:
- As you find relevant case studies and examples, take notes in a systematic manner.
- Create a separate document or spreadsheet to organize the case studies and examples based on the topic or concept they relate to.
- Include key details such as the source, year, and relevance of each case study or example.

6. Practice Answering Questions:
- Use the extracted case studies and examples to practice answering questions similar to those asked in previous years' papers.
- Familiarize yourself with the structure and format of the answers.
- Pay attention to the specific details and analysis required in the response.

7. Revise and Update:
- Regularly revise and update your collection of case studies and examples.
- Incorporate new case studies or examples that you come across during your studies or research.
- Ensure that the case studies and examples are relevant and align with the current trends or developments in the field.

Conclusion:
By following these techniques, you can effectively extract relevant case studies and examples from previous years' papers. This will enhance your understanding of the concepts and provide you with valuable resources to support your answers in UPSC exams. Remember to always analyze the question, identify relevant case studies and examples, use keywords, take organized notes, practice answering questions, and regularly update your collection.