The Prime Minister is the the ex-officio Chairman of the Authority while Chief Ministers of Bihar, West Bengal, Uttarakhand, Uttar Pradesh and Jharkhand are its members.
The meeting comes at a time when BJP-led NDA government at Centre has given thrust on cleaning up the polluted river and charting out plans for it.
The previous meeting was held on October 27 last year, which was chaired by Union Water Resources Minister Uma Bharti.
The objective of the Authority is to ensure effective abatement of pollution and conservation of the river Ganga by adopting a holistic approach with the river basin as the unit of planning.
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The functions of the Authority includes all measures necessary for planning and execution of programmes for abatement of pollution in the Ganga in keeping with sustainable development needs.
NGRBA, which was functioning under the Ministry of Environment, Forest and Climate Change, was transferred to the Ministry of Water Resources, River Development and Ganga Rejuvenation in 2014.