Indic Langauge Fonts
Unicode fonts are required to display a language in computer with out any problem. Most of the Unicode fonts are released under a free license. You can download free fonts from corresponding website.
Noto Sans is a font project from google to develop fonts in all languages. So Google Noto Sans is available on all of these langauges. Noto is a font family comprising over a hundred individual fonts, which are together designed to cover all the scripts encoded in the Unicode standard. As of October 2016 Noto fonts cover all 93 scripts defined in Unicode version 6.0 (released 2010), although less than 30,000 of the nearly 75,000 CJK unified ideographs in version 6.0 are covered. In total Noto fonts cover nearly 64,000 characters, which is a little under half of the 128,237 characters defined in Unicode 9.0.