Finding journals and publications related to the UPSC Law Optional subject can be a crucial step in preparing for the exam. These resources can provide valuable insights, case studies, and legal analysis that can enhance your understanding and knowledge in the field of law. Here are some ways and sources to find such journals and publications:

1. Online Databases:
- Manupatra: It is a comprehensive online legal research platform that provides access to a vast collection of legal information, including case laws, statutes, and legal journals. It covers various areas of law, including constitutional law, criminal law, civil law, etc.
- JSTOR: It is a digital library that offers access to academic journals, books, and primary sources in various disciplines, including law. JSTOR provides a wide range of legal publications that can be useful for UPSC Law Optional preparation.

2. University Libraries:
- National Law Universities: Universities like National Law School of India University, National Law University Delhi, and other major law universities in India have extensive libraries with a wide range of legal journals and publications. These libraries often provide access to online databases as well.
- Central Libraries: Central libraries in universities like Delhi University, Jawaharlal Nehru University, etc., also have law sections that house a significant collection of legal resources.

3. Government Websites:
- Ministry of Law and Justice: The official website of the Ministry of Law and Justice provides access to various legal resources, including reports, publications, and legal databases. These resources can be helpful for UPSC Law Optional preparation.

4. Legal Research Platforms:
- EduRev: EduRev offers a dedicated section for the UPSC Law Optional subject, providing study materials, notes, and practice questions. It also includes a repository of important case laws and legal publications specifically relevant to the UPSC exam.

In conclusion, there are several ways to find journals and publications related to the UPSC Law Optional subject. Online databases, university libraries, government websites, and legal research platforms like EduRev are some of the reliable sources that can provide access to a wide range of legal resources. Utilizing these resources can significantly enhance your preparation for the UPSC examination.