The correct option is D
1, 2, 3 and 4
Explanation:
22 Indian languages are included in the Eighth Schedule of the Indian Constitution.
These are Assamese, Bengali, Bodo, Dogri (Dongri), Gujarati, Hindi, Kannada, Kashmiri, Konkani, Mathili (Maithili), Malayalam, Manipuri, Marathi, Nepali, Odia8, Punjabi, Sanskrit, Santhali, Sindhi, Tamil, Telugu and Urdu. Sindhi was added by the 21st Amendment Act of 1967; Konkani, Manipuri and Nepali were added by the 71st Amendment Act of 1992; and Bodo, Dongri, Maithili and Santhali were added by the 92nd Amendment Act of 2003.
Hence, option (d) is correct.