Which of the following is a land locked harbour?
(A) Kolkata
(B) Visakhapatnam
(C) Chennai
(D) Mumbai

Hint: A closed harbor means a sea lane that runs through a rocky outcrop. The harbor is almost surrounded by land and has little access for ships passing through the station into the sea.

Complete answer:
An unrestricted country or unrestricted country is an independent country with no seafront or its coastline in permitting containers. There are currently 44 landless lands and 5 unrestricted areas. Kazakhstan is the world's largest locked country. In 1990, there were only 30 countries that were neglected in the world. The breakup of Yugoslavia, the dissolution of the Soviet Union and Czechoslovakia, and the independent claims of Eritrea and South Sudan created 15 new lands without land and 4 territories that were known to be insecure when Czechoslovakia's unlimited territory expired on January 1, 1993. and economically that access to overseas water can be avoided. For this reason, nations large and small throughout history have sought to gain access to open water, even the most expensive of resources, bloodshed, and political capital. The port of Visakhapatnam in Andhra Pradesh is an example of a closed harbor. The second largest port in terms of volume of cargo. The end of the port of Andhra Pradesh.

therefore, the correct option is (B)

Note: The economic disadvantages of land restrictions can be reduced or increased depending on the level of development, trade routes and freedom of trade, language barriers and other considerations.