Iterative learning techniques enhance preparation for aspirants by promoting consistent review and application of knowledge. This approach allows candidates to identify their weak areas and reinforce learning through repeated practice and feedback. By breaking down complex topics into manageable parts, aspirants can build a deeper understanding and retain information more effectively. Regular revisions, quizzes, and mock tests facilitate retention and boost the confidence of candidates as they progress, ensuring they are better equipped for the challenges of the UPSC exam.