Languages with official status in India
Even though the English language is not included in the Eighth Schedule (as it is a foreign language), it is one of the official languages of the Union of India.
Of the 22 official languages, 15 are Indic, four are Dravidian, two are Tibeto-Burman, and one is Munda.
Anti-Hindi agitations of Tamil Nadu
Hindi in Devanagari script would be the official language of the Indian Union. For fifteen years, English would also be used for all official purposes (Article 343). A language commission could be convened after five years to recommend ways to promote Hindi as the sole official language and to phase out the use of English (Article 344). Official communication between states and between states and the Union would be in the official language of the union (Article 345). English would be used for all legal purposes – in court proceedings, bills, laws, rules and other regulations (Article 348). The Union was duty bound to promote the spread and usage of Hindi (Article 351).