For effective preparation of public administration as an optional subject, candidates should focus on core concepts such as administrative theories, bureaucracy, and public policy. Utilizing standard texts like Mohit Bhattacharya and preparing concise notes are essential. Regularly engaging with current administrative issues and reforms is important for real-world application. Additionally, practicing past year question papers and joining discussion forums can enhance understanding. Interlinking public administration concepts with current affairs ensures relevance and deeper insights, benefiting aspirants significantly.