Vessels (Amendment) Bill, 2005 in 2007. In October 2008, another bill – the National waterways Bill, 2006 – was passed in Parliament. It declared the Kakinada-Pondicherry stretch of canals comprising the Kakinada canal, Eluru canal, Commamur canal, Buckingham canal, the Kaluvelly tank, Bhadrachalam- Rajahmundry stretch of rivers Godavari, Wazirabad-Vijayawada stretch of river Krishna in Telangana, Andhra Pradesh, Tamil Nadu, and Puducherry as national waterways. It will take seven years and for the completion of the proposed new national waterways. The national waterway will be owned by Inland Waterways Authority of India (IWAI) and will be operated by Central Inland Water Transport Corporation (CIWTC) Course The National Waterway NW-4 comprises nearly of canal and of river sections. In turn, the river section of the NW-4 comprises two major sections: Godavari river section Krishna river section. The Godavari River section stretches from Bhadrachalam, Telangana to Dowleiswaram, Rajahmundry, Andhra Pradesh. The Krishna River section stretches from Wazirabad Nalgonda district, Telangana to Prakasam Barrage, Vijayawada, Andhra Pradesh. The canal section of NW-4 is formed by a combination of the Kakinada canal, the Eluru canal, Commamur canal, and the Buckingham canal. The Kakinada canal runs between Kakinada and Rajahmundry for a length of . Starting from Dowleiswaram on the left bank of the river Godavari through a head sluice and lock to Kakinada (approx. downstream from Kakinada Port). The canal gets its water from the Godavari river through the Dowleiswaram barrage and thereafter connects Kakinada anchorage port. It connects the Godavari river section from Bhadrachalam to Rajahmundry. The Eluru canal comprises two distinct irrigation-cum – navigation canals, namely the Krishna Eluru canal of the eastern Krishna delta and the Godavari Eluru canal of western Godavari delta. It runs between Vijayawada to Vijjeswaram lock at Sir Arthur Thomas Cotton Barrage for a total distance of . The Krishna Eluru canal takes off from the river section on the left bank of Krishna river on the upstream of Prakasam barrage through a head sluice at Vijayawada and meets Godavari Eluru canal at east Tammileru lock at Eluru. The Godavari Eluru canal takes off from the River section of river Godavari at Vijjeswaram () in Rajahmundry on the upstream of Dowleiswaram anicut through a head sluice and joins Krishna Eluru canal at East Tammileru lock. The Commamur canal runs between Vijayawada Seethanagaram lock and Peddaganjam lock for a total length of It takes off from the Krishna River