Introduction
Yes, you can find previous years' papers of the UPSC Law Optional subject with the answer key provided by subject experts. These papers are valuable resources for candidates preparing for the UPSC Law Optional exam as they provide insights into the exam pattern and help in understanding the type of questions asked in previous years.

1. EduRev
EduRev is a platform that offers a wide range of educational resources, including previous years' papers for various exams, including UPSC Law Optional. It provides a comprehensive collection of question papers from previous years, along with answer keys provided by subject experts.

2. Accessing Previous Years' Papers
To access previous years' papers of UPSC Law Optional subject on EduRev, follow these steps:
- Visit the EduRev website.
- Search for "UPSC Law Optional previous years papers" in the search bar.
- You will be provided with a list of available papers.
- Click on the desired year to access the question paper and answer key.

3. Benefits of Previous Years' Papers
Studying previous years' papers has several advantages for UPSC Law Optional aspirants:
- Understanding Exam Pattern: By going through previous years' papers, candidates can familiarize themselves with the exam pattern, including the number of questions, marking scheme, and time duration. This helps in better exam preparation.
- Identifying Important Topics: Previous years' papers can give insights into the topics that are frequently asked in the exam. Candidates can prioritize their preparation based on the weightage of topics in previous years' papers.
- Practice and Time Management: Solving previous years' papers allows candidates to practice and improve their time management skills. It helps in developing an effective exam strategy and enhances speed and accuracy.
- Self-Assessment: Attempting previous years' papers helps candidates assess their strengths and weaknesses. By analyzing their performance, candidates can identify areas that require improvement and focus their efforts accordingly.

Conclusion
To prepare effectively for the UPSC Law Optional exam, it is crucial to practice previous years' papers. Platforms like EduRev provide access to a wide range of previous years' papers with answer keys, helping candidates in their exam preparation. By utilizing these resources, candidates can enhance their understanding of the exam pattern, gain insights into important topics, and improve their overall performance.