Having begun her career as a model in the late 1990s, Ahsan has since worked in numerous television dramas and serials. She established her reputation as an actress with roles as Monika in "Labonyo Probha", Pushpo in Toukir Ahmed and Bipasha Hayat's teleplay "Shonkhobash", and in "Hatkura". She found "Hatkura", set on the edge of a village in Rangpur District, a challenge. "I had to learn the dialect of Rangpur for the role. Actually, I had never been to a village before that. And it was a completely new experience for me", she said. In Channel i's 2010-2011 serial "Choita Pagol", she played the role of rural woman Alta. Ahsan said, "Alta is one of my favourite characters. I liked playing the role." Her performance in Mejbaur Rahman Sumon's "Tarporo Angurlata Nondoke Bhalobashe" also cemented her position as an actress. She portrayed various characters in teledramas including: "Sixty Nine (69)", "Tevaga", "Shahortolir Alo", "Tarpor Paruler Deen", "Amader Choto Nodi", "Mayesha", "Jostna, Nodi Othoba Roshider Kichu Kolpo Drisyo, Amader Golpo" and many more.