## Core Concept
The police inquest is a legal procedure conducted by the police to determine the cause and circumstances of a death that appears to be sudden, unnatural, or suspicious. It is primarily governed by the Code of Criminal Procedure (CrPC), 1973, in India. The police inquest is typically not required in cases where the death is clearly due to natural causes or where a magistrate's inquest is mandatory.

## Why the Correct Answer is Right
The correct answer, , implies that in cases of death due to natural causes, a police inquest is not done. This is because natural causes are typically straightforward and do not involve any suspicious or unnatural circumstances that would necessitate a police investigation into the cause of death. Natural causes usually refer to deaths resulting from disease or aging.

## Why Each Wrong Option is Incorrect
- **Option A:** - This option suggests a scenario where a police inquest might be required, implying the death was not due to natural causes or there were suspicious circumstances. Therefore, it is incorrect as it does not represent a case where a police inquest is not done.
- **Option B:** - Similar to option A, this implies a need for a police inquest due to the nature of the death, making it incorrect for the same reason.
- **Option D:** - This option also suggests a scenario necessitating a police inquest, likely due to suspicious or unnatural circumstances, which means it is incorrect.

## Clinical Pearl / High-Yield Fact
A key point to remember is that deaths due to natural causes do not require a police inquest. This distinction is crucial for medical practitioners and forensic experts to understand, as it delineates the boundary between medical and legal investigations into deaths.

## Correct Answer: D.