 In 1967, while serving in the Soviet Army, and then while working in Polytechnical Institute of Georgia (1975), Kuprashvili was given a notice for thinking differently, dissident inclinations, and spreading illegal literature, by the USSR Committee for State Security (the KGB).Kuprashvili is the son of Otar Kuprashvili (1924–1974), commissioner of the State Philarmony, and Nora Lapiashvili (born 1925).His grandfather, Luka Kuprashvili (1896–1924), born in Tsutskhvati, Tkibuli region, perished during the Georgian military rebellion against Bolshevik Russia.