The given statement is false
The Ganga Action Plan is a failed scheme. It was launched by the Government of India and has failed miserably in its objectives. The pollution levels in Ganga are either the same or even higher. The relationship between the quantity and quality, inflow and outflow, renewable energy and pollutant have not been understood, this led to the failure of the Ganga Action Plan.
The correct statement is "The Ganga Action Plan has not been a success."