Logical reasoning and deduction questions are an important part of many competitive exams, including the UPSC exams. These questions test a candidate's ability to think critically, analyze information, and make logical connections. Here are some specific tips for solving such questions based on previous year papers:

1. Understand the Question:
- Read the question carefully and make sure you understand what is being asked.
- Identify the key information provided in the question and any given conditions or constraints.

2. Break Down the Information:
- Analyze the information provided and break it down into its components.
- Look for patterns, relationships, and connections between different pieces of information.

3. Use Logic and Reasoning:
- Apply logical reasoning to the information provided to arrive at a conclusion.
- Use deductive reasoning to eliminate options that do not fit the given conditions.

4. Make Assumptions:
- Sometimes, you may need to make reasonable assumptions to arrive at an answer.
- Ensure that your assumptions are logical and consistent with the given information.

5. Use Visualization Techniques:
- Draw diagrams, tables, or charts if it helps you visualize the problem and the relationships between different elements.
- This can be particularly useful in questions involving sequences, patterns, or spatial relationships.

6. Practice Previous Year Papers:
- Solving previous year papers is an excellent way to familiarize yourself with the types of logical reasoning and deduction questions that are typically asked.
- Pay attention to the different techniques and strategies used to solve these questions.

7. Time Management:
- Logical reasoning and deduction questions can be time-consuming, so it is essential to manage your time effectively.
- Allocate a specific amount of time for each question and move on if you are unable to solve it within the allocated time.

8. Learn from Mistakes:
- After solving a question, whether correctly or incorrectly, review your approach and identify any mistakes or areas for improvement.
- Understand why certain options were eliminated or why a particular solution was chosen.

By following these tips and practicing regularly, you can improve your logical reasoning and deduction skills and increase your chances of success in exams like the UPSC. Remember to remain calm and focused during the exam and trust your abilities to solve these types of questions effectively.