My Dear Karady (1999)

Manikantan is a zoo-keeper. A bear from the zoo accidentally escapes out of the zoo, for which the hero is held responsible. He would lose his job if the bear is not to be found, and the losing of his job would lessen the prospect of his getting married with the girl he loves. The movie is all about how Manikantan dresses up as a bear to be able to secure his job and marry his girlfriend.