## **Core Concept**
The question pertains to the nutritional fortification of Dalda, a type of edible oil or ghee commonly used in South Asia. Vitamin A and Vitamin D are often added to such food products to enhance their nutritional value and prevent deficiencies. Understanding the specific doses of these vitamins added to Dalda is crucial for public health and nutrition.

## **Why the Correct Answer is Right**
The correct answer specifies the dose of Vitamin A and Vitamin D in International Units (IU) added to Dalda. Typically, fortification standards are set by national health or nutrition authorities. For instance, Vitamin A is crucial for vision, immune function, and skin health, while Vitamin D is important for bone health and immune function. The specified doses are likely based on recommended daily intake values and fortification standards.

## **Why Each Wrong Option is Incorrect**
- **Option A:** This option provides a dose but without specifying the exact amounts of Vitamin A and Vitamin D, making it potentially incorrect based on the specificity required for fortification standards.
- **Option B:** Similarly, this option might not align with the standard fortification doses recommended by health authorities for Dalda.
- **Option C:** This could be incorrect if the doses provided do not match the standard recommendations for Vitamin A and Vitamin D fortification in food products like Dalda.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that fortification of foods like Dalda with vitamins A and D is a strategy to combat deficiencies in populations. The specific doses are critical and usually regulated to ensure public health benefits without risking toxicity.

## **Correct Answer:** . 1000 & 100