Sir John Simon was most closely associated with the Simon Commission (1928), since it contained no Indian member and provoked the slogan “Simon Go Back”. On the Simon Commission: the Indian National Congress and other parties boycotted the Commission at every stop it made in India, and the all-party response it triggered led directly to the drafting of the Nehru Report later the same year. The Simon Commission belongs to the 1927-1947 phase of India's national movement, and exam setters often pair the Simon Commission with neighbouring milestones on this timeline to test precise, date-wise recall. Subhas Chandra Bose is incorrect here because Subhas Chandra Bose is linked with a different milestone of this period, not directly with the Simon Commission. Indian National Congress is incorrect here because Indian National Congress is linked with a different milestone of this period, not directly with the Simon Commission. Sardar Vallabhbhai Patel is incorrect here because Sardar Vallabhbhai Patel is linked with the Karachi Session of Congress (1931), not the Simon Commission. Competitive exams such as SSC CGL, SSC CHSL, State PSC, and Railway exams frequently test the Simon Commission of 1928, so keeping the year, the key person, and the outcome linked together in memory helps avoid confusion with nearby events in the national movement timeline. Candidates preparing for the Simon Commission question should also revise the events immediately before and after it on the 1927-1947 timeline, since paper-setters frequently frame options using adjacent years and closely related personalities. Remember: Simon Commission — 1928 — Sir John Simon.