Dak Bangla is a Bollywood horror film released in 1987.
It was directed by Keshu Ramsay.
Ajay moves in with his wife Vaishali to a Dak Bangla as a manager and finds out that not only some bank robbers have invaded that place but also a Mummy walled in the dungeon with a dark past of kingdom era.
By the time they broke the wall and try to reveal the secret, people start getting killed one-by-one by the Mummy.