14 September is celebrated as :
- ANational Hindi Diwas
- BNational Voters Day
- CWorld Cancer Day
- DEngineer's Day
Solution & Step-by-step Explanation
National Hindi Diwas is celebrated every year on 14 September in India to commemorate the adoption of Hindi written in Devanagari script as one of the official languages of the Republic of India by the Constituent Assembly on 14 September 1949.