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when did english became official language in india
English language public instruction began in India in the 1830s during the rule of the East India Company
is english India's only official language
The Constitution of India has mandated Hindi in the Devanagari script to be the official language of the Indian union; English is an additional official language for government work.

Question: what else is english used for
Self-contained rewrite: what else is the english language used for in India besides government work