Yana will be doing an act in the cage and will go inside the 'Bigg Boss' house on the final day when the last three contestants are left.
"Yana will be performing in a cage hung on a crane and that will go inside the house. She will get one evicted contestant out with herself in the cage. After her performance only the final two contestants will remain in the house," a source said.
Also, four popular TV actresses - Rati Pandey, Keerti Nagpure, Pooja Gaur and Rashmi Desai - will be seen performing for the finale.
Presently, six contestants - Niketan Madhok, Urvashi Dholakia, Delnaaz Irani, Rajeev Paul, Sana Khan and Imam Siddique - are vying for the Rs 50 lakh title prize money.