Avidathepole Ivideyum (1985)

Anirudhan (Mammootty) and Sugumaran (Mohanlal), roommates, are both pharmaceutical company executives. Sugumaran is urbane and somewhat westernized in attitude, Anirudhan is more of a son-of-the-soil type. During a trip to Anirudhan's village, Sugumaran falls in love with Sujatha (Shobana), Anirudhan's sister. Concurrently, Anirudhan takes a liking for Neelima (Anitha), Sugumaran's sister. The two couples marry, and then are face the realities of marrying across classes.