Deyal is a Bengali political novel written by Humayun Ahmed. It is Ahmed's last book and is considered to be one of the best works by him. The period that has been projected in the wall, it is the period of extreme uncertainty in the fate of a new independent nation. Some of the characters from the novel are taken from the real, the name and the dham are all real, incident-and also part of the reality. Since the authors wrote the novel, there are some fictional characters. The story has rotated around them.