**Core Concept**
The Delhi Anatomy Act 1957 is a legislation that governs the donation and use of human cadavers for medical education and research in Delhi, India. It outlines the procedures for the disposal of unclaimed bodies, including those resulting from road traffic accidents.

**Why the Correct Answer is Right**
The Act specifies a time period after which a body can be considered unclaimed. This period is crucial in determining whether the body can be used for educational or research purposes. The legislation aims to balance the need for medical education and research with the rights of the deceased and their families. The specified time period allows for a reasonable attempt to locate the next of kin or relatives before the body is declared unclaimed.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specify the correct time period according to the Delhi Anatomy Act 1957.
**Option B:** This option is incorrect because it does not align with the legislation's provisions regarding unclaimed bodies.
**Option C:** This option is incorrect because it does not accurately reflect the time period after which a body can be declared unclaimed.

**Clinical Pearl / High-Yield Fact**
It is essential for medical professionals and law enforcement agencies to be aware of the Delhi Anatomy Act 1957 and its provisions regarding unclaimed bodies. This knowledge helps ensure that the rights of the deceased and their families are respected while also facilitating medical education and research.

**Correct Answer:** C. 7 days