The correct answer is option 2, Gujarat. Gujarat has the largest coastline among all the states in India. The coastline of Gujarat extends for about 1,600 kilometers along the Arabian Sea. This long coastline is characterized by sandy beaches, rocky cliffs, and numerous estuaries and creeks. Gujarat is known for its vibrant coastal cities such as Porbandar, Dwarka, and Surat. These coastal areas are not only important for tourism but also play a significant role in the state`s economy as they are hubs for fishing and maritime trade. The coastal regions of Gujarat are also home to diverse marine ecosystems and wildlife, including the famous Gir National Park, which is the only natural habitat of the Asiatic lion.