Amrit
Widowed Amrit and Kamala are ill-treated by their respective children and find solace in each other's company. As their bond strengthens, the two decide to separate from their families and spend their lives together.
Starring Rajesh Khanna, Smita Patil, Aruna Irani
Watch "Amrit" on Tubi TV released in 1986. It's a drama and family movie, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of movie, and is currently available to watch for free.