To answer this question, we need to know the national fruit of India. Let's go through each option to determine the correct answer:
Option A) Guava - This option is incorrect because the national fruit of India is not guava.
Option B) Jamoon - This option is incorrect because the national fruit of India is not jamoon.
Option C) Apple - This option is incorrect because the national fruit of India is not apple.
Option D) Mango - This option is correct because the national fruit of India is mango.
The correct answer is D) Mango. Mango is the national fruit of India.