Replying to a question in Lok Sabha, Minister of State for Water Resources Sanwar Lal Jat said, e-flow is the quantum of water that must uninterruptedly flow in the river in all the seasons, required for the river to perform all its ecological functions including sustenance of fauna.
"The dams constructed earlier on the tributaries of the Ganga river and on the main stem of the Ganga river for irrigation and hydro power projects have either not kept provision for e-flow or e-flow quantity was very small," he added.
Meanwhile, replying to another question on whether the government proposes to enact any criminal law against the offenders, who are polluting river Ganga, Union Water Resources Minister Uma Bharati said, a committee has been formed to examine new legislative measures.
The existing legislations such as the Water Prevention and Control of Pollution Act, 1986 provides for penal action against the offenders, she added.