Shared taxis, a popular mode of transport in Meghalaya, are known as:

Rickshaws
Sumos
Auto rickshaws
Tongas

The correct answer is: d) Tongas.

Tongas are a type of shared taxi that are popular in Meghalaya. They are typically horse-drawn carriages that can seat up to six people. Tongas are a convenient and affordable way to get around the state, and they offer a unique and authentic experience for visitors.

Rickshaws are a type of three-wheeled vehicle that is powered by a driver. They are commonly used in India and other parts of Asia. Auto rickshaws are a smaller version of rickshaws that are powered by a motor. They are also commonly used in India and other parts of Asia. Sumos are a type of four-wheeled vehicle that is commonly used in India and other parts of Asia. They are typically used for transportation and off-road driving.

I hope this helps!