Nikhil Siddhartha’s film SPY has been released in theatres. Whose very good response is being seen, now it will be interesting to see whether SPY will be able to make a place in the hearts of the audience across the country like Karthikeya 2? Nikhil was shocked to know what about the film? And what was the secret of the success of Blockbuster Karthikeya 2? Know everything in this exclusive interview.