Question

in the story how I taught my grandmother to read what was the cause of grandmother tear

Answer 1

that she was unable to read his favourite novel kashi yatra

Answer 2

In this story, the author went to the village for attending a marriage function. There she spend weeks. Kashi yatre came as usual. Grandmother was illiterate and unable to read. she touched and looked at the pages and tried To read it. But it was not possible for an illiterate person. She thought of asking somebody else but she was ashamed. So she was in tears as she was not able to read kashi yatre which was published in weekly magazine.