The correct answer is A. Lucknow.
Chikankari is a traditional embroidery work from Lucknow, India. It is characterized by its intricate patterns and use of white thread on a light-colored fabric, such as cotton or silk. Chikankari is often used to decorate clothing, home furnishings, and other items.
Hyderabad is known for its Bidri work, which is a type of metalwork that is inlaid with silver and gold. Jaipur is known for its gemstone jewelry, and Mysore is known for its sandalwood products.