Kareena will be seen essaying the character of Dr Preet Sahani, who leaves her cushioned life to move to the heartland of Punjab to tackle the drug menace in the state.
Priyanka questioned those who categorise actors on their ethnicity.
Actress Ameesha Patel said her film "Bhaiyyaji Superhitt", opposite Sunny Deol, is halfway to completion and will soon be done with a new schedule starting in a week.
Actress Huma Qureshi, who was popularly tipped to play badminton star Jwala Gutta in the upcoming biopic "Azhar" starring Emraan Hashmi, says it is a "rumour" and the film was "never offered" to her.
"When Omung Kumar(director of the film) came to me with the subject, it was an immediate yes. How can we walk away from telling such a story?" she said.
Rishi and Amitabh have worked together in hits like "Amar Akbar Anthony", "Ajooba", "Naseeb", "Kabhie Kabhie" and "Coolie".