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The Kakinada-Puducherry stretch of canals and the Kaluvelly tank, Bhadrachalam-Rajahmundry stretch of river Godavari and Wazirabad – Vijayawada …
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The Kakinada-Puducherry stretch of canals and the Kaluvelly tank, Bhadrachalam-Rajahmundry stretch of river Godavari and Wazirabad – Vijayawada …