Following is the chronology of events leading to the National Green Tribunal today passing a slew of directions to rejuvenate River Ganga, declaring as 'No-Development Zone' an area of 100 metres from the edge of the river between Haridwar and Unnao.
*Oct 2014: SC transfers the Ganga cleaning case with regards to industrial pollution to NGT.
*May 2015: Centre approves an outlay of Rs 20,000 crore for Clean Ganga project.
*Dec 11: NGT imposes complete ban on use of plastic of any kind from Gomukh to Haridwar along Ganga from February 1.
*Jan 4, 2016: NGT directs the Centre and Uttar Pradesh government to take a clear stand on a mechanism to clean the river from Haridwar to Kanpur.
*Jan 12: NGT asks the Centre not to release funds without its approval due to the lackadaisical approach of Uttar Pradesh and Uttarakhand officials in enumerating reasons for pollution in Ganga.
*Jan 15: NGT asks UP, U'khand governments to identify seriously polluting industries located on the banks of Ganga.
*Jan 1: NGT asks UP to apprise public about proceedings as it may order shifting of polluting industrial units located on the banks of Ganga.
*Feb 10: NGT appoints a committee to look into grossly polluting industries located along the banks of Ganga.
*Mar 21: NGT seeks complete data on sewage discharged in Ganga.
*Apr 5: 1070 polluting units discharge effluents in Ganga in UP, UPPCB tells NGT.
*Jul 26: NGT seeks expenditure details of Rs 20k cr from National Mission for Clean Ganga (NMCG).
Sep 15: Ganga water has heavy metal, pesticide traces, CPCB tells NGT.
*Sep 30: Almost 10 million litres of untreated waste water is being directly pumped into Ganga every day only in Mirzapur from five big drains, NGT informed
*Oct 18: NGT bars UP govt from spending on projects along Ganga.
*Oct 19:NGT forms panel to check sewage joining Ganga through drains.
*Nov 21: NGT flays UP govt over tanneries, says can't behave like king.
*Dec 1: Consortium of seven IITs tells NGT that multiplicity of authorities, lack of assistance from state governments and dearth of monitoring has led to the failure of cleaning Ganga.
*Dec 5: UP govt headed by Akhilesh Yadav tells NGT that it was impossible to shift tanneries from Kanpur.
*Jan 24, 2017: Supreme Court transfers PIL on cleaning of river Ganga, pending for over a decade, to the National Green Tribunal (NGT) which is hearing the matter since 2014.
*Feb 6: Public money wasted, not a drop of Ganga cleaned, says NGT.
*Apr: Yogi Adityanath govt favours shifting of Kanpur tanneries, tells NGT that all the sources which pollute Ganga should be treated on the basis of definite data.
*Apr 26: NGT orders closure of 13 industries violating pollution norms.
*May 31: NGT reserves verdict on Phase-II of river Ganga.
*July 13: NGT raps authorities for spending over Rs 7,000 crore in two years to clean the Ganga as it bans all construction activity within 100 metres of the river edge.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)