Youtube Channel Link : https://bit.ly/3hdtoBE Author: Sir Arthur Conan Doyle (based on the story of The Adventure of the Cardboard Box)  Translated By: Abhipsha Chatterjee  Produced by: 221B Harrison Road  Language: Bengali  Type : Story  Format : Audio Story   Genre : Crime Audio  Edit : Subhojit (Phenoix Audio Verse)  Poster Design : Sumitendra  Background Music : Prattyay   Characters : Sherlock Holmes - Sumitendra  Dr. Watson & Doctor - Prattyay  Lestrade - Soumen  Miss Sara Cushing - Ananya  Jim Browner - Sourav