Many scenes in the film are inspired from Ram Gopal Varma's classic Bhoot 2003.
Ram Gopal Verma and Mithun Chakraborty met at a party after Mithun Chakraborty returned from Los Angeles after his long stay for his back treatment.
Ram Gopal Varma worked with Mithun Chakraborty for first time.
Film was announced as Geher in 2017 on 3rd July 2020 films trailer released with a new title as 12 O Clock.
Amit Sadh was also considered for a role in the film.