This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth and Development, Subject name: Social & Preventive Medicine
Types of Growth Chas used by Anganwadi workers (ICDS) for growth monitoring 
Select and explain. 
A. NCHS, B. IAP, C. MGRS, D. CDC
C: MGRS
Answer: C: MGRS 
Explanation: ICDS GROWTH CHA: In NRHM and ICDS, Government of India has adopted WHO Child Growth Standards (also known as MGRS 'Multicentre Growth Reference Study' Standards) Normal zone - Road of health Below -2 SD: Malnutrition Below -3 SD: Severe Malnutrition