The correct answer is D. Neck.
A khinwaan is a traditional Indian necklace made of gold or silver beads. It is worn by both men and women, and is often passed down from generation to generation. Khinwaans are typically decorated with intricate designs and patterns, and can be quite heavy. They are often worn as a symbol of wealth and status.
Option A is incorrect because a khinwaan is not worn in the nose. A nose ring, or nose stud, is a piece of jewelry that is worn through the nose. It is often made of gold or silver, and can be decorated with stones or other embellishments. Nose rings are worn by people of many cultures, and can have a variety of meanings.
Option B is incorrect because a khinwaan is not worn in the ear. An earring is a piece of jewelry that is worn in the earlobe. It can be made of a variety of materials, including gold, silver, and precious stones. Earrings are worn by people of many cultures, and can have a variety of meanings.
Option C is incorrect because a khinwaan is not worn on the finger. A ring is a piece of jewelry that is worn on the finger. It can be made of a variety of materials, including gold, silver, and precious stones. Rings are worn by people of many cultures, and can have a variety of meanings.