The correct option is C Andhra Pradesh
Andhra Pradesh has the second longest mainland coastline with a total length of 974 kilometers. Its coastal stretch extends between Ichchapuram of Srikakulam District to Tada of Nellore District. Despite having such a long coastline, Andhra Pradesh has only 12 ports. Vishakhapatnam is the major port of East Coast. Krishnapatnam is another major port of the state. Machilipatnam, Kakinada and Gangavaram are other ports of Andhra Pradesh.