A Great Day (1965)

a light comedy about a slovenly young man warned in the nick of time of the imminent visit of his fiance and prospective father-in-law. In the process of tidying up his room, Ravi's frantic efforts to start from one side end up in disturbing the other. Now, Ravi is certain that he will never receive the old man's approval to marry his daughter. But being a dentist, the old man approves Ravi for his well-set teeth.