On the basis of utility, Nagpuri buffaloes are categorised as

Options

A. Milker
B. Draught cattle
C. Dual purpose
D. Grazer

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks how Nagpuri buffaloes are categorized based on their utility. The options provided include milker, draught cattle, dual purpose, and grazer.

2. **Categories of Cattle Based on Utility**:
- **Milch Breed**: This category includes cattle that are primarily raised for milk production. They are known for high milk yield.
- **Draught Cattle**: These are cattle that are used for agricultural purposes, such as ploughing fields or pulling carts. They are strong and sturdy.
- **Dual Purpose**: This category includes cattle that serve both functions: they are used for milk production as well as for draught purposes.

3. **Characteristics of Nagpuri Buffaloes**:
- Nagpuri buffaloes are a breed of Indian buffalo known for their strength and ability to produce milk.
- They are utilized for both milk production (milch) and as draught animals due to their strong build.

4. **Conclusion**: Given that Nagpuri buffaloes can be used for both milk production and draught purposes, they fall under the category of "dual purpose."

5. **Final Answer**: Therefore, on the basis of utility, Nagpuri buffaloes are categorized as **dual purpose**.