Introduction:
Preparing for the UPSC exam requires a comprehensive understanding of various subjects, including philosophy. When it comes to choosing between Indian philosophy and Western philosophy, it is important to consider the relevance, availability of study material, and personal interest. Both Indian and Western philosophies have their own unique characteristics and insights to offer. Let's explore the details to make an informed decision.

Relevance:
1. Indian Philosophy: Indian philosophy is deeply rooted in the country's culture, spirituality, and ancient texts like the Vedas, Upanishads, Bhagavad Gita, and more. It delves into topics such as metaphysics, ethics, epistemology, and social philosophy. Understanding Indian philosophy can provide valuable insights into the Indian society, traditions, and thought processes.

2. Western Philosophy: Western philosophy has greatly influenced the modern world and covers a wide range of ideas from ancient Greek philosophers like Socrates, Plato, and Aristotle to modern thinkers like Descartes, Kant, and Nietzsche. It explores topics such as logic, ethics, political philosophy, and the nature of reality. Familiarity with Western philosophy can enhance critical thinking skills and provide a broader perspective on global issues.

Study Material Availability:
1. Indian Philosophy: The study material for Indian philosophy is readily available, especially in India. There are numerous books, online resources, and scholarly articles that delve into different aspects of Indian philosophy, making it easier to find relevant and comprehensive material for preparation.

2. Western Philosophy: Western philosophy has been extensively studied and documented, making it relatively easier to find study material. There are renowned philosophical works, textbooks, and online resources that cover various branches of Western philosophy. However, it may require more effort to filter and select the most relevant material for UPSC preparation.

Personal Interest:
1. Indian Philosophy: If you have a deep interest in Indian culture, spirituality, or want to understand the philosophical foundations of Indian society, focusing more on Indian philosophy would be beneficial. It can help you connect with the cultural heritage and traditions of the country.

2. Western Philosophy: If you are more inclined towards critical thinking, logic, and exploring diverse philosophical ideas from a global perspective, focusing more on Western philosophy would be suitable. It offers a wide range of philosophical schools of thought and provides a broader understanding of different civilizations.

Conclusion:
In conclusion, while both Indian and Western philosophies have their own merits, it is advisable to strike a balance between the two. Understanding Indian philosophy is crucial to comprehend the cultural and philosophical heritage of the country. At the same time, familiarity with Western philosophy can provide a broader perspective and enhance critical thinking skills. Ultimately, the choice should be based on relevance, availability of study material, and personal interest.