Innovative study techniques beneficial for UPSC preparation include the use of mind maps, flashcards, and active recall. Mind maps help in visually organizing information, aiding better retention. Flashcards can be effectively utilized for quick reviews of key terms and concepts. Incorporating active recall, which involves testing oneself regularly, enhances memory consolidation and understanding. Additionally, creating summaries or teaching concepts to peers fosters deeper comprehension. Utilizing a blend of these techniques can make studying more dynamic and engaging, ultimately improving overall preparedness for the UPSC exam.