Last seen in the Tamil thriller Vikram Vedha , R Madhavan is gearing up for the release of Rocketry: The Nambi Effect , a biopic on veteran ISRO scientist Nambi Narayanan. To be simultaneously released in English, Tamil and Hindi, the film is being directed by Ananth Mahadevan. Nambi Narayanan was falsely charged with espionage and arrested in 1994. However, the charges against Narayanan were dismissed by the Central Bureau of Investigation (CBI) in 1996, after which he was declared not guilty by the Supreme Court of India in 1998. Reports suggest that Madhavan will sport three different looks for the film. The makers will unveil the first look teaser of Rocketry on October 31.