Top 10 Must Read Topics for IAS Mains GS Paper 3 |Interlinking of Rivers

Top 10 Must Read Topics for IAS Mains GS Paper 3 |Interlinking of Rivers in India

Top 10 Must-Read Topics for IAS Mains GS Paper 3: IAS Mains GS Paper 3 consists of themes of Technology, Economic Development, Agriculture, Biodiversity, Environment, Security & Disaster Management. Being tricky by nature, this paper gives you an advantage over other aspirants if you score well.

The course structure of the exam is so that it requires rigorous preparations from the side of the aspirant. It requires you to have proper study material to cover various topics. The paper requires both analytical and factual knowledge of the candidate and thus becomes a tough nut to crack.


Top 10 Must Read Topics for IAS Mains GS Paper 3 | Topic 8

Over here we are sharing Top 10 Must-Read Topics for IAS Mains GS Paper 3. Let us initiate with the next topic.


Interlinking of rivers refers to inter-basin water transfers between 2 or more rivers through human interventions on natural systems. Interlinking of rivers in India was proposed for the first time during British Colonial rule. The main intention of the proposal was to reduce the transportation cost of raw materials and finished products.

The Indian Government has established the National Water Development Agency to study the interlinking of rivers under the Ministry of Water Resources. Many states have proposed for interlinking of rivers due to scarcity of water in their states and hence the central government is working on a few projects

Achievements & Benefits of Interlinking of Rivers (ILR) Programme

  • Interlinking of River (ILR) programme is of national importance and has been taken up on high Priority. The mission of this programme is to ensure greater equity in the distribution of water by enhancing the availability of water in a drought-prone and rainfed area.
  • Under the National Perspective Plan (NPP) prepared by Ministry of Water Resources, NWDA has already identified 14 links under Himalayan rivers component and 16 links under Peninsular rivers component for interbasin transfer of water based on field surveys and investigation and detailed studies. Out of these, Feasibility Reports of 14 links under Peninsular Component and 2 links (Indian portion) under Himalayan Component have been prepared.
  • The overall implementation of Interlinking of rivers programme under National Perspective Plan would give benefits of 35 million hectares of irrigation, raising the ultimate irrigation potential from 140 million hectare to 175 million hectare and generation of 34000 MW of power, apart from the incidental benefits of flood control, navigation, water supply, fisheries, salinity and pollution control etc.
  • About 15% of groundwater is used for food production every year in our country. Since a small amount of land is irrigated, by interlinking of rivers and increase in irrigation, crop production is improved and food security can be assured. In order to feed the growing population, it is estimated that by 2030 the demand for food may increase double the value of 1200 billion cubic meters of water utilization which is not possible with the present already depleted groundwater resources
  • In the scenario of inter-linking of rivers, it leads to the fullest utilization of irrigation infrastructure available in India which in turn leads to more utilization of human resource and divert many of the jobless youth towards agriculture – the backbone of India.


  • Interlinking of rivers is a very expensive proposal. It has huge adverse environmental impacts on land, forests, biodiversity, rivers and the livelihood of millions of people. It is a socially disruptive proposition.
  • It will not only add to climate change impact (destruction of forests means the destruction of carbon sinks, and reservoirs in the tropical climate are known sources of methane and carbon dioxide) but will also reduce our capacity to adapt to climate change.
  • Interlinking of rivers will cause a huge amount of distortion in the existing environment. In order to create canals and reservoirs, there will be mass deforestation. This will have an impact on rains and in turn can affect the whole cycle of life.
  • Due to interlinking of rivers, there will be a decrease in the amount of fresh water entering seas and this will cause a serious threat to the marine life system and will be a major ecological disaster.
  • Usually, rivers change their course and direction in about 100 years and if this happens after interlinking, then the project will not be feasible for a longer run.

The River Linking project is a great challenge and an opportunity to address the water issues arising out of climate change. The long-term solution to water scarcity lies in making the River Linking project work by building a network of dams and canals across the length and breadth of the country. However, interlinking has to take place after a detailed study so that it does not cause any problem to the environment and society.

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Expected Question: Discuss its advantages and disadvantages of Interlinking of Rivers.

Over here we conclude our article on Top 10 Must-Read Topics for IAS Mains GS Paper 3. Stay tuned with us for the rest of the topic that we will discuss day by day. To excel in Civil Services Examination, download the Best IAS Exam Preparation App for free.

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