Rivers Interlinking

The main planing was chalked out in 2002-2003 under Atal ji in which a plan was passed to interconnect thirty links and built three thousand reservoirs. The idea was given by Arthur cotton in 19th century and that was basically for navigation. The idea firstly came into India in 1972 when K.L.RAO the then minister of irrigation and power under Prime minister Indira Gandhi presented the idea. In 1982 National Water Development Agency (NWDA) prepared plan for thirty links, three thousand reservoirs and 12500 km of canals. It was a very daunting project. In 2002 NWDA estimated 5,60,000 crore investment need in this but was not implemented.

Why interlinking?
to check flood in north east and eastern area.
drought in western and peninsular India
temporal and spatial variation regarding precipitation and availability
depleting ground water resource which is 62.95 percent used for irrigation.

Advantages-
tackling drought and flood.
more benefit example approx 34GW will be produced but for pumping will require only 3500 MW.
35 million hectare addition under irrigation.
agriculture production can be doubled
More availability of utilisable water.
Increase in employment 10 lakhs approx every year.
growth of food processing industries

Limitations -

High cost is the biggest hurdle.
Its viability is in speculation.
Resource mobilisation.
Rehabilitation and resettlement
Interstate problem.
environmental and ecological loss.

Conclusion- It is needed and may be started not on whole country scale but at small scales and thus part to whole approach can be applied like that of Pattiseema river project in which Godavari's water is pumped through 174 km canal to parakasham barrage vijaywada.

There are some alternatives as well:-

effective conservation in management of watershed in sub basin region
in urban areas efficient and effective use (recycling)

Desalination (though previously was costly but not decreasing and can be seen from Saudi Arab)

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