Dog(1991)

This is the story of a well trained dog named Gan, and another small fluffy dog named Noon which belongs to Dilok. Noon disappears from the house, but ends up with a veterinarian who changes its name to Linjee. Dilok hires some pet detective to track down Noon, because Noon has to bark in front of the safe to make the safe open so he can get to the will inside.