Bollywood  top  stars Amitabh Bachchan and Vidya Balan, director Ribhu Dasgupta and producer Sujoy Ghosh launched the first trailer of upcoming Hindi film `TE3N`   in Mumbai. The thriller is will hit the theatres on June 10, 2016 though it was   slated for a May 20 release. Since  it would  have clashed  with Aishwarya Rai Bachchan’s `Sarbjit`, her father-in-law asked the makers to postpone the date of its release. At the launch, Big said he was delighted to work with Vidya and Nawaz. He liked   learning the craft from young talent. In the fast-paced trailer, John Biswas played by Amitabh Bachchan  tries to find out  the mystery behind the disappearance of his grandchild, Angel. The video establishes the three lead characters – Vidya Balan, Nawazuddin Siddiqui and Amitabh Bachchan.  While Amitabh  plays a grandfather, Nawaz and Vidya essay the roles of a priest and a cop respectively. Speaking  on their promotional strategy, Sujoy said they have tied up with 60,000 graphic designers to  promote it.