Namkeen (1982)

Nimki (Sharmila Tagore) is the mortar that holds her fragile family together. She looks after her younger sisters, the mute, sweet Meethu (Shabana Azmi) and spirited Chinki (Kiran Vairale). Together the three sisters care for their aging Amma (Waheeda Rehman), a troubled, frail woman bordering on senile dementia. Geru (Sanjeev Kumar), an itinerant construction hauler in the family's village for a brief contract, rents a room from the family, and before long bonds of friendship and even love develop between Geru and the sisters.