It's a variation of Mishti doi which is also a sweet yogurt originated in Bogra.

[1] On the other hand, Gaur Gopal Ghosh was the inventor of creamed curd in Bogra.

[2][3] Sir John Anderson, President Yahya Khan, Elizabeth II, Queen Victoria and many other famous persons ate Curd of Bogra.

Yahya Khan sent the food to important persons in order to influence them.

[6] Although the history of Bogra Yogurt is about two and a half century old, the Golden Age was in the pre-independence period.