## Core Concept
The National Vector Borne Disease Control Programme (NVBDCP) is a government program in India aimed at controlling and preventing vector-borne diseases. The program focuses on diseases such as malaria, filariasis, Japanese encephalitis, and dengue.

## Why the Correct Answer is Right
The NVBDCP includes diseases like malaria, filariasis, Japanese encephalitis, dengue, and chikungunya. To determine which option is not included, we need to identify the diseases covered under the NVBDCP.

## Why Each Wrong Option is Incorrect
- **Option A:** Malaria is a major focus of the NVBDCP, given its high burden in India.
- **Option B:** Filariasis is another key disease targeted by the program, with significant efforts towards its elimination.
- **Option C:** Japanese encephalitis and dengue are also included in the NVBDCP, as they pose significant public health threats.
- **Option D:** If the correct answer is , then this implies that is not included in the NVBDCP.

## Clinical Pearl / High-Yield Fact
A key point to remember is that the NVBDCP covers major vector-borne diseases in India, emphasizing prevention and control measures. Understanding the specific diseases included can help in identifying the one that is not part of the program.

## Correct Answer: D.