"We will start the film in June. I am training for it at the moment and it will take me that much time to come into shape, " she said at a press conference Tuesday.
The actress also added that the training was rigorous.
"Every part of my body hurts. Now I know how Mary Kom trains herself everyday, " she said.
The film will be directed by Omung Kumar Bhandula.
Priyanka will also be seen in the remake of "Zanjeer", "Gunday" and "Krrish 3" this year.