Question

why was the grandmother compared with the winter landscape in the mountains​

Answer 1

khuswant singh compared his grandma as the winter landscape in the mountains because his grandma was as calm and peaceful as the winter landscape.she had white locks (hairs) which looks like the snow in the mountains in winters

Answer 2

Hey there!

In this line, the author tells about her grandmother. Her grandmother was wearing the clothes of white color. She was looking like that she is being covered by a immaculate snow. Her sonnets which cannot be heard were demulcent for the winter. The author felt to look at her grandmother because her grandmother was giving him a feeling of pleasure and satisfaction. He was full of happiness and peace. So, like this feeling came to the mind of one's individual when he/she see the winter landscape. As it gives the feeling of peace and satisfaction. 

Hope it helps you!