Candidates can implement innovative study techniques for critical subjects in UPSC by adopting methods such as mind mapping and active recall. Mind maps help visually organize information, making complex topics easier to understand and remember. Engaging in peer discussions and teaching concepts to others can reinforce their grasp of the material. Incorporating spaced repetition techniques ensures that key facts and theories are regularly revisited, aiding long-term retention. Additionally, utilizing videos and interactive modules can enhance learning experiences, connecting theoretical knowledge to real-world applications and increasing overall engagement in the study process.