Well, without more context about these 'Bangla hot audio stories', it's a bit difficult to give exact recommendations. However, you can explore local Bangla libraries that might have audio collections. Also, some mobile apps focused on Bangla literature may have a great selection of audio stories that are popular among the Bangla - speaking community.
Since I don't have a clear idea of the 'Bangla hot audio stories', I can only give general advice. You can ask in Bangla - language forums or groups. People there might be able to point you to some really good ones. Maybe there are some well - known storytellers in the Bangla community whose audio works are widely loved and can be considered 'hot' in terms of popularity.