Which of the following pillars depict rock-cut pillars?

The correct answer is Option 3- Mauryan Pillars

The Mauryan Pillars are rock-cut pillars.

Other options:

Achamenian Pillars: These pillars, also known as Persian pillars, were hewn from stone blocks and then assembled, not carved directly from a single rock.

Gothic Pillars: These are architectural elements constructed from various materials like stone, wood, or even metal, and are not carved from a single piece of rock.

Mauryan Pillars: Unlike the others, Mauryan Pillars are carved from a single piece of rock (monoliths), making them true rock-cut pillars.

Persian Pillars: This term is another name for Achaemenian Pillars, so it also refers to pillars assembled from stone blocks, not carved from a single rock