Step 1: Understanding the Concept:
Major perennial and seasonal rivers are crucial for the agriculture and economy of Andhra Pradesh.
Step 2: Detailed Explanation:
The two most significant rivers flowing through the state are:
1. The Godavari River: It is the longest river in Southern India and enters the Bay of Bengal through the Godavari districts of Andhra Pradesh.
2. The Krishna River: Another major river that flows through the heart of the state and forms an extensive delta system.
Other notable rivers include the Penna and Tungabhadra.
Step 3: Final Answer:
The major rivers are the Godavari and the Krishna.