The Indira Gandhi Canal, also known as the Rajasthan Canal, is the longest canal in India, stretching over 650 kilometers (404 miles).

The Indira Gandhi Canal is often referred to as the 'lifeline of Rajasthan' due to its crucial role in providing irrigation and drinking water to the arid and semi-arid regions of the state.

The Prakasam Barrage, also known as the Prakasam Weir, is a barrage constructed across the Krishna River in Andhra Pradesh. It serves as a head regulator for the Krishna Delta Canals, which divert water from the Krishna River to the Godavari River.

The Indira Gandhi Canal is the largest irrigation canal in India, with a command area of over 1.7 million hectares (4.2 million acres).

The Narmada Canal, also known as the Sardar Sarovar Branch Canal, is a canal constructed to divert water from the Narmada River to the Tapi River in Gujarat.

The Bhakra Nangal Canal, located in Punjab and Haryana, is often referred to as the 'backbone of the Green Revolution in India' due to its significant role in transforming the agricultural landscape of the region.

The Eastern Yamuna Canal, also known as the Agra Canal, was constructed to connect the Yamuna River near Tajewala in Haryana to the Western Yamuna Canal near Delhi.

The Upper Ganga Canal, also known as the Doab Canal, is the longest canal in the state of Uttar Pradesh, stretching over 1,300 kilometers (808 miles).

The Kurnool-Cuddapah Canal, located in Andhra Pradesh, was constructed to provide irrigation to the Deccan Plateau, particularly the Rayalaseema region.

The Tansa Pipeline is a major water supply pipeline that brings water from the Tansa River to the city of Mumbai. It is often referred to as the 'lifeline of Mumbai' due to its crucial role in providing drinking water to the city.

The Periyar Vaigai Canal, also known as the Vaigai Dam Canal, is a canal that connects the Periyar River in Kerala to the Vaigai River in Tamil Nadu.

The Tungabhadra Canal, located in Karnataka and Andhra Pradesh, is the longest canal in the state of Karnataka, stretching over 670 kilometers (416 miles).

The Krishna-Godavari Canal, located in Andhra Pradesh, was constructed to provide irrigation to the Krishna-Godavari Delta, one of the most fertile agricultural regions in India.

The Rajasthan Canal, also known as the Indira Gandhi Canal, is often referred to as the 'lifeline of the Thar Desert' due to its crucial role in providing irrigation and drinking water to the arid and semi-arid regions of Rajasthan.

The Mahanadi-Brahmani Link Canal, located in Odisha, connects the Mahanadi River and the Brahmani River, enabling the transfer of water from the Mahanadi River to the Brahmani River basin.