Main Zinda Hoon

Main Zinda Hoon English I Am Alive is a 1988 Hindi drama film written and directed by Sudhir Mishra, and starring Rajendra Gupta, Pankaj Kapur, Deepti Naval and Alok Nath.

Beena is village girl, who is married to middleclass family in the city. However, her husband leaves her soon after wedding. She starts working and supports his family. Eventually falls in love with a coworker. That is when her husband returns.

Source: Wikipedia