Answer : 4. "Gujarat"
Explanation :

Solution: The Gujarat state government has declared the Ghol species as the state fish of Gujarat at the Global Fisheries Conference India 2023. The ghoul, also known as the blackspotted croaker, is highly prized for its swim bladder, which is used in cosmetics. It is also considered a delicacy and is claimed to have medicinal properties. Gujarat's annual fish export is Rs 5,000 crore, which is 17% of India's fish export.