Aspirants can utilize digital flashcards for UPSC preparation as an effective tool for enhancing retention and recall. Flashcards enable candidates to create concise summaries of key concepts, definitions, and important events, making revisions more efficient. They also facilitate active recall, a technique proven to improve memory retention over traditional study methods. Moreover, various apps offer pre-made flashcard sets aligned with the UPSC syllabus, saving time in content creation. Candidates can use flashcards for quick revisions during daily commutes or breaks, ensuring consistent engagement with material. This technique ultimately aids in reinforcing knowledge during the exam.