The correct option is
C 22
As per Articles 344(1) and 351 of the Indian Constitution, the eighth schedule includes the recognition of the following 22 languages:
Assamese, Bengali, Bodo, Dogri, Gujarati, Hindi, Kannada, Kashmiri, Konkani, Maithili, Malayalam, Meitei (Manipuri), Marathi, Nepali, Odia, Punjabi, Sanskrit, Santhali, Sindhi, Tamil, Telugu, and Urdu.