Here's why:
* Population: Rajahmundry has a larger population than Kakinada.
* Area: Rajahmundry covers a larger geographical area.
* Economic Activity: Rajahmundry is a major commercial and industrial hub, with a wider range of industries and businesses.
* Infrastructure: Rajahmundry has better infrastructure, including a larger airport and more developed transportation networks.
However, both Kakinada and Rajahmundry are important cities in Andhra Pradesh, each with its own unique features and significance.