Badi Bahen (1949)
The story is about two sisters. The older sister, Shama (Suraiya) is working as a servant in a house to earn money for her younger sister Kiran's (Geeta Bali) education. Kiran is completely selfish and thoughtless. Kiran for her part is not interested in her education; she's interested in Ajit (Pran), a scoundrel who is only pretending to woo her to get her to pay for his parties and his luxuries.
Shama works for the Amarnath family, consisting of Seth Amarnath (Niranjan Sharma), his second wife, her daughter Indu, his son Shyam (Rehman), and their two small children Munni (Baby Tabassum) and Pappu (Papoo). Mrs. Amarnath is tyrant and treats Shama very badly. Shama and Shyam bond pretty quickly when Shama hears him talking about how he's given up his profitable clinic in the city, because he wants to take care of poor people in the village who have no access to a doctor.Meanwhile, Kiran sends letters asking for more money to support her Ajit habit, until Shama decides to find out exactly what's going on. She goes to see Kiran. Kiran abuses her too, telling Ajit in front of Shama that Shama is the family servant.
Shama is fired from the job when Mrs. Amarnath finds out about her and Shyam as Shaym denies to marry the girl of his choice. After too much of pleading with, Shama agrees to marry Shyam. She goes home for packing where she finds crying Kiran who is pregnant and abondaed by her lover. Now, what will Shama do?