How many languages are printed on a hundred rupee note?

The Indian hundred rupee note has 17 languages printed on it. These languages are:

1. Hindi

2. Assamese

3. Bengali

4. Bodo

5. Dogri

6. Gujarati

7. Kannada

8. Kashmiri

9. Konkani

10. Maithili

11. Malayalam

12. Manipuri

13. Marathi

14. Nepali

15. Odia

16. Punjabi

17. Sanskrit

18. Tamil

19. Telugu

20. Urdu

The languages are printed on the back of the note in the order they are listed above.