Actor-filmmaker Farhan Akhtar today announced his next directorial venture Jee Le Zaraa , which will star Priyanka Chopra Jonas, Katrina Kaif and Alia Bhatt.
The most important aspect of the technology is Air Independent Propulsion (AIP) that enables submarines to remain underwater for over two weeks, steps ahead of the current fleet that needs to surface after a few hours to take in oxygen for burning fuel.