Which one of the following was a very important seaport in the Kakatiya kingdom ?

Motupalli was the most significant seaport of the Kakatiya dynasty, famously associated with King Ganapati Deva’s "Abhaya Shasana" inscription which offered protection and tax concessions to foreign merchants to boost maritime trade. Machilipatnam (Option C) is a tempting distractor because of its later historical fame, but it rose to prominence primarily under the Golconda Sultanate and European colonial powers rather than the Kakatiyas. The core concept tested is the economic administration and maritime history of medieval South Indian regional kingdoms.