Recommended resources for General Studies preparation for the UPSC exam include NCERT textbooks for foundational concepts, along with standard reference books like Laxmikant for Indian Polity and Bipin Chandra for Indian History. Current affairs can be effectively covered through reliable newspapers, such as The Hindu, and monthly magazines like Yojana. Online platforms also provide excellent courses and sample papers. Further, previous question papers offer insights into examination patterns and common themes, guiding aspirants in refining their study focus for better performance.