This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Lowest incidence of trachoma is seen in: 
Select and explain. 
A. Punjab, B. Rajasthan, C. Uttar Pradesh, D. Orissa
A: Punjab
Answer: A: Punjab 
Explanation: Ans. Punjab