Its one of the few movie which come across the era of 1975, periodic thriller movie which tells the story of first mobile prototype launch in india and at a time of emergency.its beautifully picturise the retro look of that time.Trailers tells about past in glimpses and creates curiosity in audience and full suspense and drama.kay kay menon standout in the performance and skin of the character and other actors are also supported well.its one of these genre where bollywood explored less.so its one be a great movie as far seeing the trailer, we want more such film on this periodic thriller genre.