fonts-guru-extra software package provides Free fonts for Punjabi language, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fonts-guru-extra
fonts-guru-extra is installed in your system.
Make ensure the fonts-guru-extra package were installed using the commands given below,
$ sudo dpkg-query -l | grep fonts-guru-extra *
You will get with fonts-guru-extra package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Fonts |
| Package | fonts-guru-extra |
| Version | 2.0-3 |
| Description | Free fonts for Punjabi language |
| Sub Section | Fonts |