Correct Answer: (c) Constitution (92nd Amendment) Act
Solution:Eighth Schedule of the Indian Constitution recognizes 22 regional languages as the official language of the Union. Originally, there were only fourteen languages in this Schedule, the fifteenth language, Sindhi, was added by the 21. Constitution Amendment in 1967, and three languages, Konkani, Manipuri, and Nepali, were added by the 71- Amendment in August 1992. *Four more languages Bodo, Dogri, Maithili and Santhali, were added by the 92- Amendment Act, 2003. *Thus, there are total 22 languages included in the eighth schedule: 1. Assamese 2. Bengali 3. Bodo 4. Dogri 5. Gujarati 6. Hindi 7. Kannada 8. Kashmiri 9. Malayalam 10. Maithili 11. Marathi 12. Oriya 13. Panjabi 14. Sanskrit 15. Sindhi 16. Tamil 17. Telugu 18. Santali 19. Urdu 20. Konkani 21. Manipuri and 22. Nepali.