Protection against arbitrary arrest and detention is provided in:

Protection against arbitrary arrest and detention is a crucial safeguard for personal liberty, ensuring that individuals are not unlawfully deprived of their freedom without due process. It outlines specific rights for arrested persons.

• Option B: 10 is the correct answer. Article 10 typically provides detailed protections against arbitrary arrest and detention, including the right to be informed of the grounds for arrest, the right to consult and be defended by a legal practitioner, and the right to be produced before a magistrate within 24 hours.
• Options A, C, D: 9, 10A, 11 are incorrect. Article 9 deals with the broader right to security of person. Article 10A specifically grants the right to a fair trial. Article 11 prohibits slavery and forced labor.