**Core Concept**
The Reproductive and Child Health (RCH) program is a government initiative aimed at improving the health of mothers and children in India. RCH-I is the first phase of this program, focusing on **reproductive health**, **maternal health**, and **child health**.

**Why the Correct Answer is Right**
Since the options are not provided, let's discuss the general components of RCH-I. RCH-I includes services such as **antenatal care**, **postnatal care**, **family planning**, and **immunization**.

**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific option, it's challenging to provide a detailed explanation.
**Option B:** Similarly, without the option, it's difficult to explain why it's incorrect.
**Option C:** The same applies to this option.
**Option D:** This option would also require specific information to explain its incorrectness.

**Clinical Pearl / High-Yield Fact**
A key aspect of RCH-I is the integration of **reproductive and child health services** to improve overall health outcomes.

**Correct Answer:** Correct Answer: D. Tuberculosis control