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: Social & Preventive Medicine
Bajaj committee proposed: 
Select and explain. 
A. MPHW, B. Rural health service, C. Integrated health service, D. Manpower and planning
D: Manpower and planning
Answer: D: Manpower and planning 
Explanation: Manpower and planning