Step 1: Understanding the Concept:
ICAR-NDRI develops equipment for dairy processing.
The Conical Process Vat has specific applications.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the equipment developed by NDRI.
Step 3: Detailed Explanation:
The Conical Process Vat is used for Khoa, Butter, and Ghee.
It is a versatile equipment.
It is not limited to only one product.
Thus, it is used for Khoa, Butter, and Ghee.
Step 4: Final Answer:
The Conical Process Vat is used for Khoa, Butter, and Ghee.
Hence, the correct option is (D).