All three pairs listed are correctly matched, reflecting the significant roles these individuals played in the Indian National Movement and the formation of modern India. Sir Tej Bahadur Sapru was a prominent figure in the All Indian Liberal Federation, advocating for constitutional reforms. K. C. Neogy contributed as a member of the Constituent Assembly, participating in the framing of the Constitution. P. C. Joshi served as the General Secretary of the Communist Party of India, which was pivotal in influencing leftist politics in the country. Understanding these associations provides insight into the diverse political ideologies and movements that shaped India's struggle for independence and subsequent governance.