Question

the construction of large dams is often criticised what are the arguments against large dams also give suitable remedities

Answer 1

Construction of dams is criticised due to to following reasons-
1. Dams require settlement to be cleared over area of construction
2.Dams interfere with aquatic ecosystems
3.In the area of construction trees need to be cleared
4. In case of heavy rainfall they increase the possibility of floods
Remedies-

1.Dam water should be periodically released to reduce risk of flood
2.Partly dam water should be supplied to fields through canal
3. Dam water should be diverted to water deficit areas