## Core Concept
The age of sexual consent is a critical legal concept that dictates the minimum age at which a person is considered legally capable of consenting to sexual activities. Laws regarding the age of consent vary by country and jurisdiction but are essential for protecting minors from exploitation and abuse. The 2013 amendment in question pertains to changes in Indian law.

## Why the Correct Answer is Right
The correct answer, , signifies that according to the 2013 amendment, specifically the Criminal Law (Amendment) Act of 2013 in India, the age of sexual consent was raised to 18 years. This change was made to strengthen laws protecting children and adolescents from sexual offenses, reflecting a global trend towards increasing protection for minors.

## Why Each Wrong Option is Incorrect
- **Option A:** This option is incorrect because it does not align with the 2013 amendment's specifications regarding the age of sexual consent in India.
- **Option B:** Similarly, this option does not match the updated age of consent as per the 2013 legal changes.
- **Option C:** This is also incorrect for the same reason; it does not reflect the updated legal age of consent.

## Clinical Pearl / High-Yield Fact
A crucial point to remember is that the age of consent laws are designed to protect minors and that these laws can change. For medical professionals, understanding these laws is vital for providing appropriate care and for reporting any suspected abuse or exploitation. In many jurisdictions, including India, the age of consent is 18 years, but it's essential to verify the specific laws applicable to your region.

**Correct Answer: D. 18.**