Techniques for synthesizing information from various sources for UPSC preparation include creating comprehensive notes that integrate key themes across different books and articles. Mind mapping can visually represent connections between ideas, enhancing retention. Regularly summarizing chapters or topics helps reinforce understanding. Creating comparative tables for similar concepts simplifies complex information. Group discussions can also facilitate knowledge sharing and highlight diverse viewpoints. Lastly, maintaining a digital or physical archive of important articles ensures easy reference. This amalgamation of resources leads to a more cohesive grasp of subjects critical for UPSC success.