Every school in India teaches the National Symbols like National Flag, Bird, Flower, Tree, Anthem Emblem, Animal, Song, Fruit,Calendar. Along with this, they also teach National Language of India as Hindi.
Most teachers would teach their students that “Hindi” as the National Language of India which is totally *incorrect* as per the Constitution of India
As per Languages of India Wiki,
India does not have the concept of a single “national language”. The Indian Constitution does not recognize Hindi as the national language of India. Instead, “official languages” are recognized for individual states. Article 343 of the Indian Constitution recognises Hindi in Devanāgarī script as the official language of the Union Government
India as a country is better known for its Unity in Diversity with its vast cultures and languages. Also according to 2001 Indian Census,nearly 41% speak Hindi and rest 60% is contributed by other languages. Classical Languages of India are Tamil and Sanskrit