iceweasel-l10n-bn-bd software package provides Bengali (Bangladesh) language package for Iceweasel - Transitional package, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install iceweasel-l10n-bn-bd
iceweasel-l10n-bn-bd is installed in your system.
Make ensure the iceweasel-l10n-bn-bd package were installed using the commands given below,
$ sudo dpkg-query -l | grep iceweasel-l10n-bn-bd *
You will get with iceweasel-l10n-bn-bd package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Language packs |
| Package | iceweasel-l10n-bn-bd |
| Version | 1:45.4.0esr-2 |
| Description | Bengali (Bangladesh) language package for Iceweasel - Transitional package |
| Sub Section | Localization |