Irrigation projects and the Indira Gandhi Canal
Key facts
- RSSB CET Graduation 2026 places this topic under Rajasthan Economy: irrigation and river-valley projects, wasteland and drought-prone area development...
- Rajasthan Economic Review 2025-26 records total net irrigated area at 99,27,680 hectare in 2024-25 and irrigation facilities created through major, me...
- The Indira Gandhi Canal system starts at Harike Barrage; the official length split is 204 km feeder and 445 km main canal, so 649 km is the combined s...
- IGNP irrigation facilities have been provided in 16.17 lakh hectare CCA, while 6 new canals are under construction to cover an additional 0.10 lakh he...
- The integrated Modified Parbati-Kalisindh-Chambal/ERCP frame in Rajasthan Economic Review 2025-26 covers drinking-water availability in 17 districts,...
Key Points at a Glance
- 1
RSSB CET Graduation 2026 places this topic under Rajasthan Economy: irrigation and river-valley projects, wasteland and drought-prone area development projects.
- 2
Rajasthan Economic Review 2025-26 records total net irrigated area at 99,27,680 hectare in 2024-25 and irrigation facilities created through major, medium and minor projects across 40.19 lakh hectare.
- 3
The same review lists Indira Gandhi Nahar, Mahi, Narmada Canal, Bisalpur and Chambal Command Area among Rajasthan's major irrigation projects.
- 4
Indira Gandhi Nahar Project is described as the lifeline of western Rajasthan; its objectives include irrigation, drinking water, drought-proofing, environmental improvement, forestation, employment generation and rehabilitation.
- 5
The Indira Gandhi Canal system starts at Harike Barrage; the official length split is 204 km feeder and 445 km main canal, so 649 km is the combined system length, not the main canal alone.
- 6
IGNP irrigation facilities have been provided in 16.17 lakh hectare CCA, while 6 new canals are under construction to cover an additional 0.10 lakh hectare under the Choudhary Kumbha Ram Arya Lift Scheme.
- 7
The integrated Modified Parbati-Kalisindh-Chambal/ERCP frame in Rajasthan Economic Review 2025-26 covers drinking-water availability in 17 districts, 2.51 lakh hectare of new irrigation area and restoration of 1.52 lakh hectare of irrigation area.
- 8
Wasteland and drought-prone development should be linked with watershed work, water harvesting, pasture improvement, micro-irrigation, canal relining, drainage and groundwater conservation.
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Syllabus frame: irrigation, river valleys and drought-prone areas
RSSB CET Graduation 2026 places this topic in Rajasthan Economy under the exact syllabus bullet: "Irrigation and River Valley Projects, Wasteland and Drought-Prone Areas Development Projects". That makes the topic broader than a list of canals. It has to connect water projects with agriculture, drinking water, regional imbalance, drought relief, wasteland treatment and rural livelihoods.
Rajasthan's economy is shaped by a basic water constraint. The State has a large arid and semi-arid landscape, while dependable surface water is unevenly distributed. Western Rajasthan has low rainfall, sandy soils and many seasonal streams. Eastern and south-eastern Rajasthan have more river flow, tanks, dams and canal command. This contrast explains why irrigation is also a settlement, drought-relief, livestock, drinking-water and regional-development issue.
For CET, classify irrigation sources into canals, dams, tanks, wells, tubewells, lift schemes, watershed works and micro-irrigation. Canals matter where river water can be transferred from outside the local basin or from a large barrage. Dams store monsoon water in river valleys. Tanks, anicuts, farm ponds and johads support local runoff storage. Wells and tubewells remain important, but overuse has created groundwater stress in many blocks.
Core idea: irrigation in Rajasthan is a regional-balancing instrument, not just a farm input.
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