**Core Concept**
Pott's spine, also known as tuberculous spondylitis, is a form of spinal tuberculosis that affects the vertebral bodies and intervertebral discs. The clinical presentation and management of Pott's spine involve a thorough understanding of the pathophysiology, clinical features, and treatment options, including surgery.

**Why the Correct Answer is Right**
Surgery in Pott's spine is typically reserved for patients with severe neurological deficits, progressive neurological deterioration, or significant spinal instability. The primary goal of surgery is to stabilize the spine, relieve compression on the spinal cord or nerves, and restore spinal alignment. In patients without these indications, non-surgical management with anti-tubercular medication, bed rest, and orthotics may be sufficient.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specify a condition that would necessitate surgery. While pain and discomfort are common symptoms of Pott's spine, they are often managed conservatively.
**Option B:** This option is incorrect because it does not accurately reflect the indications for surgery in Pott's spine. While spinal deformity can be a complication of Pott's spine, it is not an absolute indication for surgery.
**Option C:** This option is incorrect because it does not specify a condition that would necessitate surgery. While fever and weight loss are common symptoms of tuberculosis, they are not indications for surgery in Pott's spine.
**Option D:** This option is incorrect because it does not accurately reflect the indications for surgery in Pott's spine. While spinal cord compression can be a complication of Pott's spine, it is not the only indication for surgery.

**Clinical Pearl / High-Yield Fact**
The "three Ps" of Pott's spine are pain, progressive neurological deficits, and progressive deformity. These symptoms often prompt surgical intervention to stabilize the spine and relieve compression on the spinal cord or nerves.

**Correct Answer: B. Spinal deformity is not an absolute indication for surgery in Pott's spine.**