Introduction:
Using previous years' papers to identify shifts in the way UPSC frames questions related to Indian political thought and constitutional developments in the Political Science and International Relations (PSIR) exam can be a helpful strategy for exam preparation. It allows candidates to understand the evolving trends and patterns in the examination and enables them to focus on the most relevant areas.

Identifying shifts in question framing:
By analyzing previous years' papers, candidates can identify various shifts in the way UPSC frames questions related to Indian political thought and constitutional developments. Some of these shifts may include:

1. Focus on contemporary issues: UPSC has been increasingly emphasizing questions related to contemporary issues in recent years. This shift reflects the importance of staying updated with current affairs and understanding their implications for Indian political thought and constitutional developments.

2. Interdisciplinary approach: UPSC has started integrating concepts from various disciplines, such as sociology, history, and economics, into questions related to Indian political thought and constitutional developments. This requires candidates to have a holistic understanding of these subjects and their interconnections.

3. Application-based questions: Instead of asking direct factual questions, UPSC has started asking more application-based questions that require candidates to analyze and critically evaluate concepts and theories related to Indian political thought and constitutional developments. This shift aims to assess candidates' understanding and ability to apply theoretical knowledge to real-world scenarios.

4. Comparative analysis: UPSC has been framing questions that require candidates to compare and contrast different perspectives, theories, or constitutional developments. This shift emphasizes the importance of developing a comprehensive understanding of various viewpoints and their implications.

5. Emphasis on contemporary thinkers and constitutional developments: Recent years have seen an increased focus on questions related to contemporary thinkers, their ideas, and their relevance in the context of Indian political thought. Similarly, there has been a greater emphasis on recent constitutional developments and their impact on Indian polity.

Conclusion:
Analyzing previous years' papers can provide valuable insights into the shifting trends in the way UPSC frames questions related to Indian political thought and constitutional developments. By understanding these shifts, candidates can align their preparation strategies accordingly and enhance their chances of success in the PSIR examination.