**Core Concept**
The disposal of biomedical waste, including glass vaccine vials, is a critical aspect of infection control and public health. Biomedical waste disposal guidelines emphasize the segregation and treatment of hazardous waste to prevent environmental pollution and transmission of infectious diseases.

**Why the Correct Answer is Right**
Glass vaccine vials are considered hazardous biomedical waste due to the potential for breakage and release of biohazardous materials. According to the Biomedical Waste Management Rules (2016), glass vials are categorized as "non-infectious, non-recyclable" waste, which requires incineration or autoclaving for disposal. This process ensures that the waste is properly treated and does not pose a risk to the environment or public health.

**Why Each Wrong Option is Incorrect**
**Option A:** Autoclaving is a method used for disinfecting medical instruments and equipment but is not suitable for disposing of glass vaccine vials.
**Option B:** Recycling is not a recommended method for disposing of glass vaccine vials due to the risk of breakage and contamination.
**Option C:** Landfill disposal is not acceptable for biomedical waste, including glass vaccine vials, as it poses a risk to the environment and public health.

**Clinical Pearl / High-Yield Fact**
Remember that glass vaccine vials are considered hazardous biomedical waste and should be disposed of through incineration or autoclaving, not recycling or landfill disposal.

**Correct Answer: C. Incineration or autoclaving.**