When is ‘Hindi Diwas’ celebrated ?

Correct option is A

Hindi Diwas is celebrated on September 14 every year. This day marks the adoption of Hindi as the official language of the Republic of India by the Constituent Assembly in 1949.
Important Key Points:
1. Hindi is written in the Devanagari script.
2. It is one of the 22 scheduled languages of India.
3. Hindi Diwas promotes the use and appreciation of the Hindi language.
4. Various events and programs are organized to celebrate and promote Hindi across the country.