John Abraham upcoming film 'Parmanu: The Story Of Pokhran' has been postponed again and this is happening for the fourth time with this film. To avoid clash with Anushka Sharma's horror film Pari the release date of Parmanu has been shifted to April 6 from March 2. Directed by Abhishek Sharma, Parmanu stars Diana Penty and Boman Irani along with John. The story of this film is based on the nuclear tests conducted at Pokhran in May 1998. Watch video.