The official trailer for GDN just dropped, and R. Madhavan is completely unrecognizable. He takes on the role of G.D. Naidu, the legendary pioneer often called the “Edison of India.” Directed by Krishnakumar Ramakumar, the period drama secured a worldwide theatrical release for July 17, 2026.
The footage was unveiled in Coimbatore during a special launch event that showcased a heavy-hitting ensemble cast.
Priyamani stars as Chellammal alongside Sathyaraj, Jayaram, and Dushara Vijayan. But this isn’t just a standard historical recap. The trailer immediately sets up intense friction between Naidu and the British administration.
British officers openly accuse the inventor of secretly conducting business with Germany and the Nazis against the Crown. Toss in his protests against oppressive colonial tax laws, and the tension jumps right off the screen.
If this exact production formula feels familiar, there is a good reason for that. GDN reunites Varghese Moolan Pictures and Tricolour Films. That is the exact same duo behind Madhavan’s 2022 National Award-winning scientific biopic Rocketry: The Nambi Effect. Madhavan and his wife Sarita founded Tricolour Films to champion these specific types of historical narratives.
The industry is clearly paying attention to that track record. Dharma Productions just stepped in to acquire the distribution rights for the film across Karnataka and North India. That kind of backing signals serious commercial confidence in a regional biopic.