The correct answer is English Explanation & Key Takeaways: • According to Article 348(1) of the Constitution of India, English is the primary language used in the High Courts of India, unless Parliament decides otherwise • However, there are some exceptions: • State Governor's authorisation • The Governor of a state can authorise the use of Hindi or the state's official language in addition to English. • This is done with the prior consent of the President. • Translation • If a judgment, decree, or order is passed in a language other than English, it must be accompanied by an English translation Related Concepts: • The official language of a state or area under the jurisdiction of a High Court in India is typically the regional language of that state, along with English. • The use of English as a legal and judicial language is mandated under Article 348 of the Indian Constitution for proceedings in the High Courts and Supreme Court, • though the Constitution allows state legislatures to authorize the use of regional languages in High Courts with the President's consent. • For example: • Delhi High Court uses Hindi and English. • Tamil Nadu (Madras High Court) uses Tamil and English. • Karnataka High Court uses Kannada and English.