When is the Hindi Diwas observed annually?

14 September

The correct answer is Option (4) - 14 September

On 14^th September 1949, the Constituent Assembly of India adopted Hindi written in Devanagari script as the official language of the Republic of India. This decision was later ratified by the Constitution of India, which came into effect on 26th January 1950.

Hindi Diwas is observed across the country with various activities, including cultural programs, competitions, seminars, and events that promote the importance and significance of the Hindi language. It is an occasion to celebrate India's linguistic diversity and the role of Hindi in fostering national unity and integration.

The celebration of Hindi Diwas also serves as a reminder of the rich cultural heritage associated with the language and encourages people to preserve and promote its usage in everyday life. It highlights the importance of linguistic harmony and mutual respect for all languages spoken in India.