A retired judge of the Patna High Court may practise law in:

Correct Answer: The Supreme Court and other High Courts

Subject: 2025

• The Supreme Court and other High Courts
• Only Bihar High Court or Supreme Court
• Only High Courts
• No court or authority

Explanation: • <b>Key Fact</b>: The question tests <b>Restriction on Practice by Retired Judges</b>.<br>• <b>Additional Info</b>: Remember the defining rule/fact for this topic.<br>• <b>Why the other options are wrong</b>: They do not satisfy the stated condition or refer to a different fact/concept.<br>• <b>Exam Trick</b>: Identify the exact keyword and apply the relevant rule before looking at the options.<br>• <b>Final Answer</b>: The Supreme Court and other High Courts.