Dairy Technology

Step 1: Recall fat-rich milk products.
- Fat-rich milk products are those in which fat is the main component. - Examples: Butter and Ghee.

Step 2: Analyze the given items.
- Butter (A): Very high in milk fat (around 80%). Fat-rich.
- Khoa (B): Concentrated milk solids, rich in proteins and carbohydrates, not primarily fat-rich.
- Ghee (C): Clarified butter, nearly 100% fat. Fat-rich.
- Kulfi (D): A frozen dessert with milk, sugar, and flavors. It contains some fat but is not classified as a fat-rich product.

Step 3: Conclusion.
Fat-rich milk products exclude Khoa and Kulfi.

Final Answer:

Step 1: Recall frozen milk products.
Frozen milk products are those stored and consumed in frozen form.

Step 2: Analyze the options.
- Kulfi (A): Traditional frozen dairy dessert.
- Ice-cream (B): Frozen milk product.
- Ghee (C): Clarified butterfat, not frozen.
- Dahi (D): Fermented milk (curd), not frozen.

Step 3: Conclusion.
Thus, frozen milk products include Kulfi and Ice-cream only.

Final Answer: