Chutney was a favorite of the British from the years the Empire ruled India. One famous chutney was called...

To answer this question, the user needs to have knowledge of the history of British rule in India and the British cuisine.

Option A, Major Grey's, is the correct answer. Major Grey's chutney is a popular condiment in British cuisine that was reportedly created by a British officer named Major Grey in the 19th century during the British Raj in India. The chutney has a sweet and tangy flavor and includes ingredients such as mangoes, raisins, vinegar, and spices.

Option B, Piccadilly, is an incorrect answer. Piccadilly is a street in London and not a type of chutney.

Option C, Duke of Wellington, is also an incorrect answer. The Duke of Wellington was a British military commander and statesman who was not known for any particular chutney.

Option D, Trafalgar, is also an incorrect answer. Trafalgar was a naval battle fought between the British Royal Navy and the combined fleets of the French and Spanish Navies, and has no connection to chutney.

Therefore, the answer is: A. Major Grey's.