In 2018, the National Mission for Clean Ganga (NMCG) released the e-flow notification for Ganga, which refers to the quality, quantity and timing of water flows required to maintain the functions.
from Top India News- News18.com https://ift.tt/3w0acgx
After Ganga, Centre Planning to Set Limits for Minimum Flow of Water for Its Tributaries
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October 30, 2021