Here we find an allegory on madness which leaves us unsure of Sneha's existence. You have done well to build atmosphere, however some character development would really make this story shine.
The Ink Well has some great resources in our catalog of fiction writing tips. For example, we have tips on developing characters in your stories. With some clarity on the relationship between these two, the drama of this tale would fly off the page. Thank you for sharing your story with us, don't forget to engage with other members of the community as well!
I wanted to keep her existence unknown but you are right, the depth gets lost. Thank you for your advice. I will read and work on character development more.