Aspirants should approach interlinking topics for holistic understanding by recognizing the interdependence of various subjects in the UPSC syllabus. When studying, candidates can create concept maps that link ideas across different topics, highlighting their connections. This method deepens understanding and helps in retaining information. For example, relating environmental issues to economics reinforces knowledge of how policies affect sustainability. Regular revision sessions focusing on these connections can also aid in integrating knowledge, preparing aspirants to tackle integrated questions effectively, ultimately enhancing their analytical abilities and critical thinking required for the examination.