A traditional Mizo basket with a distinctive conical shape is called a:

The correct answer is: a) Beki.

A beki is a traditional Mizo basket with a distinctive conical shape. It is made from bamboo and is used for a variety of purposes, including carrying food, water, and firewood. Bekis are also used for ceremonial purposes and are often decorated with intricate patterns.

The other options are incorrect. Khumbeu is a type of Mizo dance, Tawlhlohpur is the capital of Mizoram, and Dilli is the capital of India.