Asia's largest sugar mill is located in Khatouli, Muzaffarnagar district of Uttar Pradesh. The Triveni Sugar Mill in Khatouli is the largest in Asia in terms of production and storage capacity. The mill has been operational since 1933. 

The Eastern Command of the Indian Navy is headquartered in Visakhapatnam.

Therefore, the correct answer is:

(B) Visakhapatnam

The Eastern Command of the Indian Navy is headquartered in Visakhapatnam. Visakhapatnam, also known as Vizag, is a major port city on the southeast coast of India. The Eastern Naval Command (ENC) plays a crucial role in the maritime defense and security of the eastern part of India. It is responsible for overseeing and coordinating naval operations, exercises, and deployments in the Bay of Bengal and the eastern Indian Ocean region. The command is strategically located to address security challenges and ensure the protection of India's maritime interests in the eastern seas.