Mathilukal (Malayalam: മതിലുകൾ, meaning Walls) is a Malayalam novel written by Vaikom Muhammad Basheer in 1965. It is one of the most cherished and well-known love stories in Malayalam. Its hero, Basheer himself, and heroine, Narayani, never meet, yet they love each other passionately. Despite being imprisoned and separated by a huge wall that divides their prisons, the two romance each other