Khanna has also endorsed for and designed Supertech's ORB project in Noida and another residential project in Pune. However, Khanna filed a case against Supertech for failing to pay as endorsement fees. She also mentors International Institute of Fashion Designing's Academy of Interiors. Khanna is the co-founder of Grazing Goat Pictures and has co-produced the films "Tees Maar Khan" (2010) and "Patiala House" (2011). She also did a cameo appearance in the former film. Khanna has also co-produced "Thank You" (2011), "Khiladi 786" (2012), "72 Miles" (2013) and "" (2014). She has also been the brand ambassador for the watch brand Movado and endorsed Coca-Cola and Micromax Mobile. In December 2016, Khanna launched her production house Mrs. Funnybones Movies which eventually co-produced "Pad Man". The film went on to win the 2018 National Film Award for Best Film on Other Social Issues.