This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health Programmes in India, Subject name: Social & Preventive Medicine
Who is the chairman of district blindness control society? 
Select and explain. 
A. District collector, B. Programme manager, C. District health officer, D. District eye surgeon
A: District collector
Answer: A: District collector 
Explanation: Ans. a. District collector (Ref: Park 23/e p439, 22/e p406; www.nrhmtn.gov.in/dbcs.html)District collector is the chairman of district blindness control society.District Blindness Control Society has been established under the chairmanship of District Collector/Deputy Commissioner. Park 23/e p439District Blindness Control SocietyChairmanDistrict CollectorVice-ChairmanDeputy Director of Health ServicesMember SecretaryChief Ophthalmic Surgeon andDistrict Programme ManagerTechnical AdviserDistrict Ophthalmic Surgeon