The correct answer is: b) Amaravati.
Amaravati is the administrative headquarters of Andhra Pradesh. It is a planned city located on the banks of the Krishna River in Guntur district. The city was founded in 2015 and is currently under construction. It is expected to be completed by 2024.
Hyderabad was the capital of Andhra Pradesh from 1956 to 2014. It is now the capital of Telangana.
Visakhapatnam is the second largest city in Andhra Pradesh. It is a major port city and industrial center.
Vijayawada is the third largest city in Andhra Pradesh. It is a major commercial and cultural center.