Isabelle Kaif, sister of Katrina Kaif, will make her acting debut opposite Salman Khan’s brother-in-law, Aayush Sharma, in Purple Bull Entertainment and Cult Entertainment’s Kwatha. The film will be directed by Karan Lalit Butani for producers Sunil Jain, Omprakash Bhat, Aditya Joshi, Alok Arbind Thakur and Sujay Shankarwar. It will be based on true incidents of the Indian Army. Kwatha is a village on the border of India and Myanmar.