The movie is a sequel to "Ek Tha Tiger", which was the biggest hit of Salman at the time of it's release in 2012.
While the first part was helmed by Kabir Khan the second installment will be directed by Ali.
The filmmaker says there is a certain pressure to live upto the 50-year-old actor's trust, apart from taking the franchise forward.
"Not only for anything else but also, if that star kind of trusts you so much to do something new to him, explore him in a newer way. Also the fact is that it is a big franchise, it was a big hit. So there is always a pressure to take that franchise ahead."
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"Ek Tha Tiger" chronicled the story of an Indian spy (RAW) code-named Tiger, who falls in love with a Pakistani spy during an investigation.
"It is a sequel, but it's too early to talk about it in detail. It's a political espionage. It's about spies, what is happening in the world today, where does India stand, what is right, wrong. It's about all of that."
"Tiger Zinda Hai" also stars Katrina Kaif, who was also their in the first film.
While there were reports that the "Baar Baar Dekho" actress will be seen in a strong negative role, Ali says Katrina will "kill" him if he doesn't give her a meaty role.
From Katrina's role in "Mere Brother ki Dulhan", to Anushka Sharma's in "Sultan", the women characters in Ali's films have always been strong.
The director says he is immensely inspired by women around him and hence such strong female characters trickle down in his work.
"I have always seen strong women around me, be it my mother, she was a teacher, she held the house and worked. Women who have opinions and stick to their grounds. In India all our goddesses are women. It's a country of strong women.
He was speaking at the 47th International Film Festival of India (IFFI).
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