Rocketry: The Nambi Effect is a 2022 Indian biographical drama film written, produced and directed by R. Madhavan in his directorial debut. The film is based on the life of Nambi Narayanan, played by Madhavan, a scientist at the Indian Space Research Organisation who was accused in an espionage case and later exonerated. The story spans across Narayanan's days as a graduate student at Princeton University, before exploring his work as a scientist and the false espionage charges placed upon him. Simran played the main female lead.

Ranganathan Madhavan credited as R. Madhavan, informally known as Maddy, is an Indian actor, writer, director, and producer who predominantly appears in Tamil and Hindi films. Over the course of his career, he has been a recipient of several accolades including one National Film Award, four Filmfare Awards South, two Tamil Nadu State Film Awards and five SIIMA Awards. Currently, he serves as the President of Film and Television Institute of India (FTII), Pune.