8. One of the serious challenges is solid and liquid waste management, apart from encroachments. There are binding directions of the Hon‟ble Supreme Court in Almitra H. Patel Vs. Union of India &Ors2 . and Paryavaran Suraksha vs. Union of India3 on the subject of scientific management of solid waste and sewage/effluents in accordance with the statutory provisions of the Water (Prevention and Control of Pollution) Act, 1974, („Water Act‟) Air (Prevention and Control of Pollution) Act, 1981, („Air Act) and waste management rules framed under the Environment (Protection) Act, 1986 („EP Act‟). There is large scale non-compliance of the said statutory provisions which has led this Tribunal to consider the issue of river pollution in OA No. 673/2018, News item published in "The Hindu" authored by Shri Jacob Koshy Titled "More river stretches are now critically polluted: CPCB" in view of acknowledged data of 351 polluted river stretches in the country. Apart from the said issue, large scale failure has been found in the matter of solid waste management as repeatedly recorded in O.A. No. 606/2018. The Chief Secretaries of all the States/UTs were required to remain present in person before this Tribunal for interaction and further planning. In O.A. No. 325/2015, Lt. Col. Sarvadaman Singh Oberoi v. UOI &Ors., the Tribunal has considered the issue of restoration of water bodies. In Original Application No. 593/2017, Paryavaran Suraksha Samiti &Anr. v. UOI &Ors., the issue of untreated sewage or effluent being discharged in water bodies have been taken up for consideration. There are several other matters dealing with the such issues, including coastal pollution, pollution of industrial clusters etc.