The correct answer is: d) Bishnupur.
Bishnupur is a town in the Imphal West district of Manipur, India. It is located about 12 kilometers south of Imphal, the state capital. The town is known for its temples, palaces, and terracotta art.
Bishnupur was once the capital of the Manipur Kingdom. The town was founded in the 7th century by King Kyamba. The kingdom was ruled by a series of kings until it was annexed by the British in the 19th century.
Bishnupur is home to a number of temples, including the Kangla Fort, the Emara Palace, and the Govindajee Temple. The Kangla Fort is the oldest and largest fort in Manipur. The Emara Palace is the former residence of the Manipur kings. The Govindajee Temple is one of the most important temples in Manipur.
Bishnupur is also known for its terracotta art. The town is home to a number of workshops where terracotta art is made. Terracotta art from Bishnupur is known for its intricate designs and bright colors.
In conclusion, the correct answer to the question “Which feudatory state was located in the fertile Imphal Valley?” is: d) Bishnupur.