**Core Concept**
The National Programme for Prevention and Control of Cancer, Diabetes, Cardiovascular Diseases and Stroke (NPCDCS) is a government initiative aimed at preventing and controlling non-communicable diseases (NCDs) in India. It focuses on promoting healthy lifestyles, early detection, and treatment of NCDs.

**Why the Correct Answer is Right**
The NPCDCS encompasses a wide range of interventions, including cancer screening, diabetes management, cardiovascular disease prevention, and stroke care. It also focuses on tobacco control, obesity management, and promoting physical activity. The Programme is implemented in all states and union territories of India, with the goal of reducing the burden of NCDs.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because the NPCDCS does cover cancer screening, which includes early detection and treatment of various types of cancers.
**Option B:** This option is incorrect because the NPCDCS does focus on diabetes management, which includes early detection, treatment, and prevention of diabetes-related complications.
**Option C:** This option is incorrect because the NPCDCS does cover cardiovascular disease prevention, which includes reducing risk factors, promoting healthy lifestyles, and managing hypertension and hyperlipidemia.

**Clinical Pearl / High-Yield Fact**
One of the key components of the NPCDCS is the establishment of a robust surveillance system to monitor NCDs, which helps in planning and implementing targeted interventions.

**Correct Answer: A.**