Which of the following was added to the list of official languages of India in 1967?

Correct option is C

Correct option : (c), Sindhi

• In 1967, Sindhi was added to the list of official languages of India.
• This decision was made through the 24th Amendment to the Constitution of India, which recognized Sindhi as an official language under the Eighth Schedule of the Indian Constitution.
  

Information Booster: 

• ​Article 344(1): This article empowers the President of India to set up a Committee of Parliament to recommend the languages to be included in the Eighth Schedule.
  
• Article 351: This article deals with the promotion of the Hindi language and the development of other languages.