Deo Langkhui (The Divine Sword) is an Assamese novel written by Dr Rita Chowdhury.

The book unveils some important aspects of then-contemporary Tiwa society and a series of their customs and traditions.

The novel is based on historical evidence of then Tiwa kingdom, but the protagonist is the royal lady Chandraprabha, queen of Pratapchandra.

[1] The writer has shown dexterity in depicting all the characters, their actions, inner conflicts, etc., and gives a message that sex and beauty are not the root of all relations.

Through the writer’s dexterity of descriptive power, the novel delves into the readers’ mind like a vivid picture, meticulously reflecting all the aspects of every incident.