- According to a report on the National Mission for Clean Ganga (NMCG) website, only 10 of the 100 sewage infrastructure projects commissioned after 2015 under the Namami Gange mission have been finished.
- The report has noted that the majority of the projects completed were those commissioned before the Namami Gange. The projects were under programmes such as the Ganga Action Plan-1 and Ganga Action Plan-2 which began in 1987 and 1996 respectively. The core objective of GAP was to abate pollution and improve water quality of River Ganga
- Further, out of the total 28000 crore sanction for the Mission, only about ₹6,700 crore (about 25%) has been spent. Poor spending and incomplete projects are reflected in the river quality.
- Launched in 2015, the Namami Gange programme is an Integrated Conservation Mission which seeks to achieve effective abatement of pollution, conservation and rejuvenation of National River Ganga.
- The main pillars of Namami Gange Programme are a) Sewerage Treatment Infrastructure, b) River-Surface Cleaning, c) Afforestation, d) Industrial Effluent Monitoring, e) River-Front Development, f) Bio-Diversity, g) Ganga Gram and h) Public Awareness
- Under the Namami gange Mission Hybrid Annuity Model (HAM) is followed in awarding tenders to sewage treatment plants (STP) and infrastructure developers. It is inspired from the prevalent practice of developing highways in India.
- Under HAM, 40% of the capital cost of the project is paid by the government during the construction phase of the project. The remaining capital investment on the project, the cost of operations and maintenance of STP are paid over a period of 15 years as quarterly installments, subject to achieving performance standards.
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