Order of the National Green Tribunal in the matter of In re : News item published in The Hindu dated 23.12.2022 titled “One killed, four injured in fire at NLC Thermal Plant” dated 18/01/2023.

The bench of Justice Adarsh Kumar Goel and Sudhir Agarwal of the NGT said that "it is disheartening to note that such incident has been repeated due to negligence on the part of the management, which calls for serious soul-searching at local level of management as well as stringent remedial action at higher level in the establishment."

Order of the Supreme Court of India in the matter of the State of Tamil Nadu Vs the State of Karnataka & Others dated 14/12/2022.

Report filed on behalf of the Tamil Nadu Pollution Control Board in the matter of Tribunal on its own motion SUO MOTU Based on the News Item in the Hindu Newspaper, Chennai edition dated 09.04.2021, “Dumping of garbage foiled near Anamalai, trucks seized” dated 31/10/2022.

Independent report filed in Original Application No 144 of 2021 (SZ) (Suomotu Vs The Chief Secretary to Govt of Tamil Nadu & Others).

The NGT initiated suo motu based on the new item published in a newspaper regarding dumping of waste and encroachments along the Cooum river in Chetpet, Chennai.

Reply filed by the Chennai Petroleum Corporation Limited (CPCL) in Original Application No 256 of 2020 (Suo Motu Vs Union of India & Others) dated 20/10/2022.

The NGT had taken cognizance of the media article on six industries in north Chennai polluting air for more than half the year.

The industries listed in the media report were the following - North Chennai Thermal Power Station; NTPC Tamil Nadu Energy Company Limited; Chennai Petroleum Corporation Limited; Tamil Nadu Petro Products Limited; Manali Petrochemicals Limited and Madras Fertilizers Limited.

Order of the National Green Tribunal in the matter of V. Eswaran Vs District Collector, Coimbatore & Others dated 17/10/2022.

Judgment of the National Green Tribunal (Southern Zone, Chennai) in the matter of Tribunal on its own motion Suo motu based on the News item in The Indian Express Newspaper Edition Dt. 20.12.2020, “Shrimp hatcheries along ECR have no CRZ clearance” dated 29/09/2022.

Order of the Supreme Court of India in the matter of A. Malliga Vs The District Collector Cum The Chairman of the District Environment Impact Assessment Authority, Trichy & Others dated 23/09/2022.

Once it is found that the land in question is a water body, nobody can be permitted to have mining activity in the water body and it is the duty of the state government to preserve and protect the water bodies, said the Supreme Court, September 23.

NTPC Tamil Nadu Energy Company, Vallur Thermal Power Station in its report to the NGT said that NTECL has been adopting the best technologies to control pollution.

NTECL has constructed three stacks of height of 275 meters attached to unit 1, 2 and 3 boilers. Flue gases are let out through these stacks as directed in the consent to operate for maximum dispersion.