- Sanskrit
- Assamese language
- Bengali language
- Gujarati language
- Hindi language
- Maithili language
- Marathi language
- Nepali language
- Oriya language
- Pali
- Punjabi language
- Romany language - the language of Gypsies
- Sindhi language
- Singhalese language
- Urdu
- Persian language
- Avestan (extinct)
- Pahlavi - "Middle Persian"
- Pashto language
- Dari language
- Tajik language
- Ossetian language
- Kurdish language
- Balochi language
- Talysh language
- Tat language