Hrithik Roshan and Preity Zinta starrer Lakshya marks its 20th anniversary this year. The film, which remains significant even two decades later, is set for a re-release in theatres on June 21. From Imtiaz Ali's Rockstar, the re-release of which is still making waves in theatres to Manthan, which featured at Cannes, many classics are back on big screens.