Recommended methodologies for studying Indian history for UPSC exams include a comprehensive approach that integrates various sources. Candidates should utilize chronological timelines, thematic studies, and documentary analysis for deeper understanding. Engaging with NCERT texts as foundational reading, coupled with advanced books and historical journals, can provide breadth and depth. Additionally, visual aids like maps and infographics can enhance memory retention. Regularly revisiting concepts through revision and practicing question-based learning can solidify knowledge and improve analytical skills, which are essential for the UPSC examination.