Judgement of the National Green Tribunal (Central Zonal Bench, Bhopal) in the matter of Shailendra Singh Bisen & Others Vs State of Madhya Pradesh dated 06/11/2017 regarding pollution in the river Narmada. NGT directs MPPCB to regularly monitor the quality of water in the places from where water samples were collected ealier and water analysis report be submitted before the Tribunal after every six months and in case there is abrupt deteriorations in quality of water it may be brought to the notice of the Tribunal immediately.