Since I can’t directly provide downloadable files, here’s a complete text guide to help you find and download it legally and safely: Du Chokhe Oi Aalto Hasi – Ringtone Download Guide

It seems you're looking for the ringtone of the Bengali song (দু চোখে ওই আঁলতা হাসি).

"Du Chokhe Oi Aalto Hasi ringtone download"