Hirak Rajar Deshe is an Indian Bengali dystopian fantasy musical film and a sequel to the 1969 anti-war fantasy musical Goopy Gyne Bagha Byne directed by Satyajit Ray. In the film, the musicians Goopy and Bagha travel to the kingdom of the Diamond King, to find a sinister plot at work – subjects are being brainwashed by rewriting their thoughts with rhyming slogans.

Goopy Gyne Bagha Byne is a 1969 Indian fantasy adventure comedy film written and directed by Satyajit Ray and based on a story by his grandfather Upendrakishore Ray Chowdhury. It is a fantasy musical, with music and lyrics composed and written by Ray himself. This is the first film of the Goopy–Bagha series, and there are two sequels – Hirak Rajar Deshe, which was released in 1980, and Goopy Bagha Phire Elo, written by Satyajit Ray but directed by his son Sandip Ray, which was released in 1992.