Online platforms like Unacademy, BYJU'S, and Clearias are gaining popularity for UPSC preparations. These platforms offer structured courses, video lectures, and interactive sessions that cater to different learning styles. They provide access to a wealth of resources, including study materials, mock tests, and expert guidance tailored to UPSC syllabi. Additionally, the flexibility of learning at one's own pace and the availability of doubt-clearing sessions attract aspirants. The convenience and comprehensiveness of online platforms have made them essential tools for effective preparation in the competitive landscape of civil services examinations.