Katrina Kaifs role in Rajneeti on lines of which character from Mahabharata?

Katrina Kaif has been busy shooting for Prakahs Jha’s Rajneeti. Everyone is awaiting the release of the movie as Kat will be seen for the first time in a deglamorized role.

Apparently, it was being said the Katrina gave Jha a tough time on the set with her wardrobe and make-up.

So, which character from the Mahabharata is Katrina actually essaying in this film by Praksh Jha which is being said to be inspired by Mahabharata?