After leaving the acting profession in the same year, she ventured into interior designing and is the co-owner of The White Window, a chain of interior designing stores which operates in Mumbai. She does not have a professional degree and learned the skills by working with an architect for two years. She is the co-founder of the production company Grazing Goat Pictures, and has co-produced six features including the Marathi language drama 72 Miles. She also produced, Pad Man, a critically acclaimed film based on the life of Muruganatham Arunachalam, this time with a strong focus on dispelling taboos around menstruation, a topic that has never been explored in cinema before. Khanna is the Indian brand ambassador for L'Oréal.