Menon was first seen in the Tamil comedy film Theeya Velai Seiyyanum Kumaru. She debuted as Akshara in the Kannada industry with Dasavala which was directed by M S Ramesh. She was cast opposite Prem, of Jogi fame. The film released on 11 October 2013 and her performance as a mentally challenged girl was generally well received. Her next release was Tamil film Apple Penne. The film was based on a mother and daughter relationship, where Iswarya was the daughter, while Roja essayed the role of her mother. She will next be seen in the Kannada horror comedy Namo Boothatma.