Alignment Modifications for the Link Canal by Adopting Remote Sensing and Verified by using MCDM (TOPSIS) Method
S.V.J.S.S Rajesh1, B.Pardhasaradhi2

1S.V.J.S.S Rajesh Department of Physics Dr. Lankapalli Bullayya college, Visakhapatnam, (Aandhra Pradesh), India.
2Dr. B. Pardhasaradhi, Department of Mathematics ,Dr. Lankapalli Bullayya college of Engneering, Visakhapatnam, (Aadhra  Pradesh), India. 

Manuscript received on September 13, 2020. | Revised Manuscript received on September 21, 2020. | Manuscript published on October 10, 2020. | PP: 144-149 | Volume-9 Issue-12, October 2020 | Retrieval Number: 100.1/ijitee.J73980891020 | DOI: 10.35940/ijitee.J7398.1091220
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Abstract: In our country every year some of the regions are facing with heavy rainfall and the other regions are facing with lack of rain. As a part heavy rainfall regions are suffered with floods and the huge amount of the water is run off into the sea. At the same time the less rain fall regions are suffered with droughts and famines. To avoid all such type of problems NWDA (National Water Development authority) kept a proposal of interlinking of rivers. While the rivers are linking with one another there is some disturbance will be occur for the environment i.e, reserve forests, hilly terrains and human habitats will be affected. To minimize the degradation we suggested some diversions for the proposed (PENNAR TO CAUVERY) link canal. These suggestions are made through the remote sensing and verified through a mathematical tool. In identifying the diversions for a canal there is a multiple diversions have to face. From the multiple diversions the best alternative path was identified by using of TOPSIS (technique for order preference by similarity to ideal solution) method which gives the strength to the remote sensing assessment. Here we made eleven suggestions for the alignment. Through these modifications 25 villages and 5 tribal villages are benefitted. 39 Reserve forest is going to be protected. 58 hilly terrain is also benefitted without getting damage. 
Keywords: River linking, Study area, Command area.
Scope of the Article: Remote Sensing