The film is based on the heroic cabin crew member who died saving passengers on a hijacked flight and the director said he was clear that his story will be more about emotions.
"In my mind I always wanted 'Neerja' to be a mother- daughter story. The film is about a family and the mix of trauma and pride they went through. This was a story a lot of people didn't know and I wanted to present it as per my vision," Ram told PTI in an interview.
"I always wanted Shabana ji to play the role of mother. I knew her, but it was initially very daunting for me to work with her. However, with us being like minded, I became comfortable. Shabana ji imbibes the energy of the surrounding and the character. She has her own process of work which I respect."
Sonam Kapoor has mostly played glamorous and chirpy roles in her career, but for Ram she was the perfect choice as she has a lot of traits similar to that of Neerja.
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Written by "Mary Kom" writer Saiwyn Quadras, the film
tells an intense story and Ram wanted to present it in the most realistic way possible.
To bring in the real tension, tiredness and trauma on the face of the lead actors as well as the supporting cast, the director shot the sequences exactly at the same time as they happened on the Pan Am Flight 73 on 5 September 1986.
"When I decided to do the project a journalist friend of mine asked me if I was aware about the responsibility that comes with making a biopic. I have carried that responsibility with me everyday.
"I researched, met survivors, tried to understand what they went through during the incident and post that. I wanted to convey that to the audience. We are in the business of feelings and as a filmmaker I always work to share that inner emotion," he said.
"Being a filmmaker is like being a farmer. You sow a seed, but it is not necessary you will get good crop. Same with the films, you keep trying and then one day a great script which you want to direct comes and for me 'Neerja' was that story," he said.
Produced by Atul Kasbekar and Fox Star Studios, "Neerja" will hit the screens on February 19.