Which eyewear frame wore by amitabh bacchan in kbc?

Amitabh Bachchan wears a specific type of frame in KBC, not a particular brand or model. He wears rectangular, thick-rimmed frames that are typically made of black horn-rimmed acetate. This classic style is timeless and suits his strong features.

It's important to note that while he wears this type of frame consistently in the show, the actual brand and model could vary over the years.

If you're looking for specific details about a brand or model, you would need to provide more information, such as the season of KBC or a screenshot of the frame you are interested in.