Concept:Identify the location of each given place to determine which belongs to Kerala state.Explanation:Kozhikode is a coastal city in the southern Indian state of Kerala. It was a major spice trade centre during the Zamorin rule and is known for its historical trade with Jews, Arabs, and Chinese. Valsad (also called Bulsar) is a city in the state of Gujarat. Udupi is a city in Karnataka, famous for its Hindu temples. Malakhera is a village in the Alwar district of Rajasthan. Among the four options, only Kozhikode lies in Kerala.