Superstar Rajinikanth praised R Madhavan on his directorial debut "Rocketry: The Nambi Effect", a film he said must be shown to the youth of the country. Based on the life of former ISRO scientist Nambi Narayanan who was falsely charged with espionage in 1994, "Rocketry" was released in theatres on July 1. Rajinikanth said Madhavan, known for his starring roles …
