The Amul dairy cooperative is headquartered in:

Surat
Gandhinagar
Anand
Vadodara

The correct answer is: Anand.

Amul is a cooperative brand of milk and milk products based in Anand, Gujarat, India. It is one of the largest food cooperatives in the world, with over 3.6 million members. Amul was founded in 1946 by Dr. Verghese Kurien, who is considered the father of the White Revolution in India.

Amul’s headquarters is located in Anand, Gujarat. The city is also home to the Amul Dairy, which is the largest dairy cooperative in the world. The Amul Dairy produces a wide range of milk and milk products, including milk, yogurt, cheese, butter, and ice cream.

The other options are incorrect. Surat is a city in Gujarat, India. Gandhinagar is the capital of Gujarat. Vadodara is a city in Gujarat, India.