‘Nambi: The Rocketry Effect’ is all set to release in theatres on July 1 in Tamil, Hindi, Malayalam, Telugu and English. The first trailer of the film was released on April 1 and it was well-received. Yesterday, the movie makers have officially released the second trailer of the film. The trailer was released in Tamil, Telugu, Hindi and Malayalam. ‘Rocketry: The Nambi Effect’ is a biopic of the ISRO scientist and Rocket engineer Nambi Narayanan. Madhavan plays the lead role in the film as Nambi Narayanan who aspires to take the country to a higher level with his knowledge of aerospace technology but is treated and shunned because of a false allegation against him as a traitor.