Hint:A port which is encircled by land by all the sides and the passage of water is towards the ocean or any water body is known as a land locked harbour. We will see which amongst the given options fulfil the requirements of being a land locked harbour in the complete answer below.
Complete answer:
Let us discuss each option individually in detail to figure out the correct answer with the help of the above stated hint.
Kolkata:- Kolkata does not fulfil the requirements of being a land locked harbour, it is not a land locked harbour. Therefore, this is not the correct option.
Visakhapatnam:- The port of Visakhapatnam is a land locked harbour as it is surrounded by land and the water passage is towards the ocean or sea. Therefore, this is the correct option.
Chennai:- Chennai does not fulfil the requirements of being a land locked harbour, it is not a land locked harbour. Therefore, this is not the correct option.
Mumbai:- Mumbai does not fulfil the requirements of being a land locked harbour, it is not a land locked harbour. Therefore, this is not the correct option.
Hence, the correct answer is option B.
Note:Visakhapatnam port is one of the 13 major ports in India and the only major port in Andhra Pradesh. It is located between the Kolkata and the Chennai ports. It handles a large volume of cargo and is the third largest state owned port in that way.