Sawan Aya Re (1949)

The Mathur family arrives in Nainital to see if they can find some eligible bachelors to get their three daughters, Asha, Sudha, and Rama, married. Asha meets Anand and both fall in love. The two then introduce each other to their respective families, and meet with their approval. All is now set for their marriage to take place, when Asha finds out that Anand is having an affair with another woman. And that other woman is none other than Sudha - her sister.