"I shot this film in 31 days. Our film is under budget... that's very rare. It's tough that you have to keep the economic environment in mind and keeping that in mind is great because (as a director) you have all the responsibility," Madhvani said.

While he did not reveal the film's budget, it has been reported that the film has been made within Rs 21 crore.

Madhvani stressed on the importance of making films in the "right budget" as he feels "that's the only way you can make your next film".

'Neerja' is a biopic featuring Sonam as Neerja Bhanot, a Pan Am chief purser who was gunned down by terrorists when a flight in Karachi was hijacked in 1986. She saved a number of lives but lost her own.

Madhvani made his directorial debut with the English language film 'Lets Talk', which released in 2002.

'Neerja', presented by Fox Star Studios, will release on February 19.

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