A steritisation tachnique is

Options

A. Loop
B. Disphragm
C. Tubectomy
D. Cervical cap.

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for a sterilization technique among the given options: loop, diaphragm, tubectomy, and cervical caps.

2. **Identifying the Options**:
- **Loop**: This is a temporary contraceptive method.
- **Diaphragm**: This is also a temporary contraceptive method.
- **Tubectomy**: This is a surgical procedure for permanent sterilization in females.
- **Cervical Caps**: This is another temporary contraceptive method.

3. **Analyzing the Methods**:
- Temporary methods (loop, diaphragm, cervical caps) are designed for reversible contraception.
- Permanent methods (like tubectomy) are intended for individuals who do not wish to have children in the future.

4. **Conclusion**: Among the options, tubectomy is the only method that qualifies as a sterilization technique because it involves a surgical procedure that permanently prevents pregnancy.

5. **Final Answer**: The correct answer is **C. Tubectomy**.