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what are the demerits of multi purpose river valley projects?
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Asked 4/26/2010 7:19:53 AM
Updated 4/26/2010 11:25:51 AM
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Multipurpose River Valley projects in India

1. Bhakhra Nangal Project = Punjab, Harayana, Rajasthan
- > Its a joint venture of Punjab, Harayana, Rajasthan.
- > Its is India's biggest multi-purpose river valley project so far completed at a cost of Rs.236 Cr.
- > It consists of a straight gravity dam, 518 mts long & 226 mts high across the Sutlej at Bhakhra.
- > The Bhakhra dam impounds 986.8 Cr cubic mts of water.
- > The canal system of the project is now irrigating 14.8 lakh hectares.
- > It generates 1204 MW electricity.

2. Chambal Project = Madhya Pradesh, Rajasthan
- > The Chambal project being jointly executed by M.P & Rajasthan.
- > In the 1st stage, the Gandhi Sagar dam & its 115 MW power station & the Kota barrage were completed.
- > The Rana Pratap Sagar dam with a power house of 172 MW capacity was constructed in the 2nd stage.
- > The 3rd stage comprises the construction of the Jawahar Sagar dam & 99 MW power station.
- > With the completion of all the stages, the project will generate 386MW of power.

3.Damodar Valley Project = Jharkhand , West Bengal
- > This project conceived for the unified development of irrigation, flood control & power generation in W.B & Jharkhand.
- > The project is administered by the Damodar Valley Corporation established in 1948.
- > The irrigation potential of the project is about 5.51 lakh hectares & its installed power generation capacity is 1181MW.
- > It is designed on the lines of Tennesse Valley Authority in the USA.

4. Farakka Barrage = West Bengal
- > It consists of a barrage across the Ganaga at Farakka, another barrage at Jangipur across the Bhagirathi, a 39 km long feeder canal taking off from the right bank of teh Ganga, at Farakka & tailing into the Bhagirathi below the Jangipur Barrage .
- > road - *** - rail bridge over the Farakka barrage have already been completed.

The basic Aim of Farakka barrage is to preserve & mountain Calcutta port & to improve the navigatability of the Hooghly river.
- > Farakka is to use 40,000 cusecs of Waterout of water stored in the dam to flush the Calcutta port which is get silted up.

5. Indira Gandhi Canal
- > It is one of the biggest irrigation project in the world.
- > began in 1958 as Rajasthan Canal.
- > it will provide irrigation facility to N.W region of Rajasthan a part of Thar desert.
- > The project which the use water from the Pong dam consists of 215 km long Rajasthan feeder canal & 445 km long Rajasthan main canal lying entirely in Rajasthan.
- > The project will ultimately irrigate about 14.5 lakh hectares.

6. Hirakud Project = Orissa
- > the 4801.2 mts long main Hirakud dam in Orissa is on the river Mahanadi.
- > its world's longest dam.
- > The project migrates irrigation an area of 11.98 lakh hectares.
- > its present installed power generation capacity is 27.2MW.

7. Kakrapura project = Gujarat
- > it is on the river Tapti, 80km upstream of surat,
- > it is being built by Gujarat government
- > a 621 mts long & 14 mts high weir near Kakrapara in Surat district was completed in 1963.

8. Koyna project = Maharashtra
- > it is on the river Koyna & has been built by the Government of Maharashtra.
- > it comproses the construction of a 208 ft. high dam

9. Nagarjuna Sagar project = Andhra pradesh
- > it is undertaking of the government of A.P. for utilizing the water of the Krishna river.
- > it was inaugurated on AUg 4 1967.
- > it is suited near Nandikonda Village in Miryalguda Taluk of Nalagonda District.
- > it is of 1450 mts long & 92 mts high dam.
- > the project will ultimately irrigate about 8.95 lakh hectares.

10. Rihand project = U.P
- > This project comprises construction of a concrete gravity dam across the Rihand river in Mirzapur district U.P. & a power house at Pipri & neccessary transamission lines.

11. Thien Dam = Punjab
- > a 147 mts high dam built by the Punjab government at Thien Village acorss the Ravi 25 km. upstream of Madhopur head works.
- > it will irrigate 8 lakh hectares land & generate 600MW power renamed as Ranjit Sagar dam it was dedicated to the nation on March 4 2001 by Prime Minister Atal Behari Vajpaee.

12. Tungabhadra project = Karnataka & Andhra Pradesh
- > it is a joint undertaking by the government of A.P & Karnataka.
- > it comprises a 2441 mt long & 49.38 high dam the river Tungbhadra near Malipuram.
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Added 4/26/2010 11:25:51 AM
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What are the DISADVANTEAGES and DEMERITS of multi purpose river valley projectsss??..plzz tell me fast!
Weegy: reduces natural furtility in the normally flooded zones, -impacts on fisheries, - inappropriate use of water resources or over use of those resources. [ These projects also generally displace hundreds of not millions of people from very fertile land thus reducing the productivity of these people. They take away their livelihood and their homes of many generations. ] (More)
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