What can be a major practical challenge in enforcing the Right against Exploitation?

Correct answer: Identifying hidden forced labour and trafficking

The direct answer is A: identifying hidden forced labour and trafficking. The Right against Exploitation protects people from being forced, bought, sold, or made to work through threats, deception, or severe pressure. The practical difficulty is that exploitation may happen secretly. A worker may fear the employer, depend on the income, lack documents, or be deceived about the job. Therefore officials must first find the situation, listen safely to the person, collect evidence, and then provide protection. Option A is correct because hidden abuse is difficult to detect and victims may not report it. Option B, giving every child a book, is an education-support activity, not the main enforcement challenge here. Option C, allowing peaceful assembly, concerns freedom of speech and assembly, not exploitation. Option D, learning language, may be useful in life but does not identify forced labour or trafficking. Remember: in exploitation questions, look for hidden control, fear, deception, and inability to leave.