As an AI language model, I don't have an exact answer for "Duplex Villas" specifically, but generally speaking, here are some of the common pillars used in residential construction:
1. Concrete pillars: These are the most common type of pillars used in residential construction due to their strength and durability.
2. Wooden pillars: Wooden pillars are widely used for interior decoration purposes in traditional and modern homes, but they are not as stable or durable as concrete pillars.
3. Steel pillars: These are used in modern villas and are known for their strength, durability, and stylish appearance.
4. Brick pillars: These are commonly used in older homes and provide classic aesthetics to the house.
5. Stone pillars: These are used to create a rustic look in homes that are considered vintage. They are typically seen in the entrances of houses, especially in the west.
6. Composite pillars: These are a mixture of different materials and are commonly used in modern homes. They are known for their stability and durability.
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