Class VIII History is the most critical NCERT for UPSC GS1 Modern India. It covers the East India Company's rise to power, British administrative and economic policies, the 1857 Revolt (causes, events, aftermath), tribal and peasant rebellions (Santhal, Indigo, Deccan), the social reform movement (Ram Mohan Roy, Sati abolition, widow remarriage, Phule, Ambedkar), the rise of nationalism (INC founding 1885, Swadeshi, Non-Cooperation, Civil Disobedience), and India's post-independence constitution-making. These are examined almost every year in both Prelims and Mains.