Malathi (film)
Malathi is a 1970 Indian Tamil-language drama film written, produced and directed by K. S. Gopalakrishnan. The film stars Gemini Ganesan, B. Saroja Devi and Ravichandran. Plot 

Malathi, a young woman from a wealthy family, pursues MBBS in a medical college, where she meets Balu, a senior student. They fall in love, but due to her family circumstances, they are unable to marry; Malathi ends up marrying Rajan, a relative, who is addicted to drinking and drugs. She decides to reform him, and the rest of the film deals with whether she succeeds in her endeavour or not. 