**Core Concept**
The CHPS (Child Health and Pregnancy Surveillance) system is a national program in India aimed at improving the health outcomes of children and pregnant women. It focuses on surveillance, monitoring, and evaluation of health indicators, as well as providing essential health services.

**Why the Correct Answer is Right**
The CHPS system is designed to be community-based, involving frontline workers, such as Accredited Social Health Activists (ASHAs), in the delivery of health services. This approach helps in early detection and management of maternal and child health issues. The system also emphasizes the importance of antenatal care, institutional delivery, and postnatal care.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect as CHPS is not primarily focused on providing curative services.
**Option B:** This option is incorrect as CHPS is a national program, not a state-specific initiative.
**Option C:** This option is incorrect as CHPS involves a wider range of health services beyond just immunization.

**Clinical Pearl / High-Yield Fact**
One key aspect of the CHPS system is its emphasis on community engagement and participation in healthcare delivery. This approach helps in bridging the gap between healthcare services and the community, ultimately leading to improved health outcomes.

**Correct Answer:** D