Aspirants can practice effective summarization techniques for lengthy materials by utilizing methods such as the SQ3R (Survey, Question, Read, Recite, Review) method, which fosters comprehension and retention. Creating concise notes while reading, highlighting key points, and summarizing each section in their own words helps in retaining essential information. Additionally, using visual aids, such as charts and diagrams, can simplify complex ideas. Regularly testing oneself through self-quizzing on summarized material encourages active recall, reinforcing memory. Practicing these techniques consistently can greatly enhance the ability to condense and recollect extensive content efficiently.