Question

prepare a report on dams of india and findout the reason for agitation raised against their constructions

Answer 1

Dams are physical structures that are constructed over rivers for the purpose of storage. They also act as barriers and create reservoirs. The reservoirs are used to irrigate fields and also stop flooding.

In India,

Dams have been constructed from the period of the kings till today. There are almost 3250 dams all across India.

Kallanai dam in Tamil Nadu is the first dam to be constructed in India by the king karikala chola.

Maharashtra has the most number of dams with 1820.

The tehri dam is the largest dam in India situated in Uttarakhand.

Reason for agitation:

• Sediments left behind the dam spoil the natural habitat.
• Altering the natural flow of  water will result in seismic risk.
• The construction of dams also bring in differences between the states.

Answer 2

Report on Dams of India and agitation raised against their construction.


Dams are physical barrier or blockage constructed on rivers to hold back water and raise its level, which further used for water supply and electricity generation.

➡️There are many synonyms of dams like barrage, barrier, wall, embankment, levee, barricade, obstruction, hindrance, blockage.

➡️Dams have a wide environmental and social benefits,few of them are listed below:

1) Flood Control

2) Irrigation/ water supply

3) Electricity generation

4) River Navigation

5) Recreation

6) Wildlife habitat

7) Waste management

In India there are total 3200 dams major and medium dams which had been constructed till 2012.

➡️There are 5 Famous and biggest dams in India ,listed as below

1)Tehri Dam on Bhagirathi River,Uttrakhand

2) Bhakra Nangal Dam on Satluj River ,Himachal Pradesh

3)Sardar sarovar dam on Narmada river,Gujarat

4) Hirakud Dam on Mahanadi River,Odisha

5) Nagarjun Sagar Dam on Krishna River , Telengana



➡️After focus on benefits of dams ,let us know put some light on the reasons for agitation raised against their construction:

As we know that every coin has two faces,like advantage there are some disadvantage too, thus agitation raised by nearby villages.

1) if dams are not constructed with proper care,good quality construction material, good architectural planning,than they broke and nearby villages affects by flood.

2) Dams construction forces people to leave their homes,if they leave in or near the flooded river valley.

3) Their houses may get cracked due to blasting while construction.


There are many other drawbacks like, expensive to build,Natural flow of water is affected and natural fisheries are affected too.

Hope it helps you.