Aspirants can prepare for regional languages in UPSC by engaging in practical exercises that encompass reading, writing, and speaking in those languages. Regular practice can include conversing with native speakers, watching films, and consuming regional literature to enhance familiarity and fluency. Utilizing language learning apps or enrolling in language courses can also aid preparation. Furthermore, reading regional newspapers will help aspirants stay informed about relevant issues in regional contexts. This comprehensive approach ensures candidates develop a robust understanding necessary for addressing language-related questions in the exam.