The Pak-Afghan border line is called:

Correct answer: Durand Line. The Durand Line marks the Pakistan–Afghanistan border and was agreed in 1893.

Background: It is named after Sir Mortimer Durand, who agreed it with Amir Abdur Rahman Khan.

• Radcliffe Line: The Radcliffe Line is the India–Pakistan border.
• Mac Mohan Line: The McMahon Line is the India–China boundary line in the east.
• Ceasefire Line: The ceasefire line is in Kashmir.

Did you know? It is about 2,640 km long, and Afghanistan has not formally accepted it.

Memory trick: Durand = Afghan border.