Step 1: Understanding NRHM
The National Rural Health Mission (NRHM) was launched in India to provide accessible, affordable, and quality health care to rural areas, especially in underserved regions.
Step 2: Special Focus States
While NRHM is operational across the entire country, it has special focus on 18 states in India that are considered to be most in need of health reforms, including issues like high maternal mortality rates and lack of basic healthcare infrastructure.
Step 3: Final Answer
Thus, the correct answer is 18 states.