Step 1: Understanding Mangalore Port.
Mangalore Port, also known as the New Mangalore Port, is located in the state of Karnataka on the west coast of India, along the Arabian Sea. It serves as an important outlet for the export of iron ore, petroleum products, and fertilizers.
Step 2: Analyzing the options.
(A) Goa: Incorrect. Goa has Mormugao Port, not Mangalore Port.
(B) Karnataka: Correct. Mangalore Port is located in Karnataka and is one of the major ports on the western coast of India.
(C) Kerala: Incorrect. Kerala has ports such as Kochi and Vizhinjam.
(D) Odisha: Incorrect. Odisha has Paradip Port, located on the eastern coast.
Step 3: Conclusion.
Thus, Mangalore Port is situated in the state of Karnataka.