Well, you could check out libraries. They often have a diverse range of books, and there's a chance you'll come across short stories in both Hindi and English. Also, search on online bookstores, as they have a wide selection too.
You can try searching on dedicated story-sharing platforms or apps. Many users upload short stories in different languages. Another option is to look for anthologies of short stories that specifically mention including Hindi and English ones.
You might try looking on language learning websites or educational platforms. Some of them have a collection of short stories in multiple languages, including Hindi and English.