Effective methods for non-linear learning while preparing for the UPSC examination include interactive content such as videos, podcasts, and simulations that promote engagement. Mind maps and concept maps can visually organize information, enhancing understanding and retention. Additionally, peer discussions and study groups facilitate knowledge sharing and diverse perspectives. Using spaced repetition and active recall techniques reinforces learning by revisiting material at intervals, which is more effective than traditional rote memorization. Incorporating a mix of study methods, incorporating practical applications and real-world scenarios, can ultimately enrich the learning experience and foster a deeper understanding of the subject matter.