Use APKPure App
Get BANGLA QURAN old version APK for Android
https://drive.google.com/open?id=0B1le7FEKKNDOaTRDdjRHRnZvTmM&authuser=0
its only para 14, I am trying to make whole of it, please be patient. but til then you can download full Quran with Bangla pronunciation and Bangla meaning by clicking this link from my google drive and use it....
https://drive.google.com/open?id=0B1le7FEKKNDOaTRDdjRHRnZvTmM&authuser=0