Rocketry The Nambi Effect: Real Story of S. Nambi Narayanan. Madhavan starrer Rocketry - The Nambi Effect is based on the life and achievements of ISRO scientist S Nambi Narayanan. The fascinating story of Nambi has been directed by R Madhavan along with Anant Mahadevan. But who is S. Nambi Narayanan? What happened with him? Know in this video. #RocketryTheNambiEffectTeaser #NambiNarayan #RealStory