Correct Answer : Option (B) - January 10th
World Hindi Day is celebrated every year on January 10th. Vishwa Hindi Divas commemorates the anniversary of the first World Hindi Conference held in Nagpur on January 10, 1975. The conference was inaugurated by the then prime minister Indira Gandhi in Nagpur.
Hindi is considered to be the mother language of India. It is the simplest source of expression of our nation. It is our heritage and the most widely spoken language in the country. The word Hindi originated from the Persian word Hind, meaning the land of the Indus River.
Apart from India, the language is also spoken in Nepal, Guyana, Trinidad and Tobago, Suriname, Fiji, and Mauritius. Therefore, to promote the Hindi language all around the world, International Hindi Day or World Hindi Day is celebrated every year.
World Hindi Day history :
World Hindi Day was first celebrated in 2006 by former Prime Minister Dr. Manmohan Singh. The aim of the conference was to promote the Hindi language worldwide.Source : India Today