Report filed by the Tamil Nadu Pollution Control Board in the matter of V. B. R. Menon Vs Trichy City Police Office regarding the establishment of new petroleum retail outlet adjacent to several residential buildings and commercial buildings in violation of the siting criteria prescribed by the Central Pollution Control Board (CPCB).

Report filed on behalf of the Tamil Nadu Pollution Control Board in application No. 224 of 2017. The matter related to dumping of biomedical waste at Puzhal lake.

The independent report on Tamil Nadu Neyveli boiler blast in compliance with the National Green Tribunal order (in the matter of Original Application No. 108/2020).

Order of the National Green Tribunal (Southern Zone, Chennai) in the matter of Tribunal on its own motion Vs The Secretary to Government of Tamil Nadu dated 20/10/2020. The matter related to disposal of sewage in Buckingham Canal by private lorries.

Joint Committee report submitted to the National Green Tribunal in response to the NGT order of July 15, 2020 in Original Application No. 191 of 2015 filed by S. P. Muthuraman. The matter related to illegal sand mining on the banks of Thamirabarani river and discharge of illegal trade effluents into the river by the nearby industries and workshops. The pollution was also caused on account of discharge of untreated sewage into the river.

Action plan by the government of Tamil Nadu in the matter of L. G. Saha Devan Vs Union of India & Others dated 12/10/2020. The matter related to steps to reduce pollution level in the air through vehicles.

Report of the Joint Committee on detailed ground water quality study near the industrial area (coir industries cluster), Kangeyam, Tiruppur district. In the matter of Original Application No. 05 of 2016 (SZ), M. Kandasamy Vs The State of Tamil Nadu, in compliance with the National Green Tribunal (NGT) order January 7, 2020.

Counter affidavit by the Municipal Commissioner, Maraimalai Nagar Municipality, Chengalpattu, Tamil Nadu. The matter related to pollution of Guduvancheri lake. A newspaper report had said that sewage from households in Nadivaram - Guduvancheri town panchayats and Maraimaalai Nagar Municipality was being discharged in the lake, apart from effluents from private hospitals and clinics in that area.

Order of the National Green Tribunal in the matter of In Re: Instagram BBC News with regard to Coastal Pollution on Marina Beach, Chennai dated 08/09/2020.

A report was submitted by a Joint Committee of the Central Pollution Control Board (CPCB), Municipal Corporation, Chennai and the Tamil Nadu State Pollution Control Board (TNPCB) on the matter of huge collection of foam at Marina Beach, Chennai.

Order of the National Green Tribunal in the matter of M. Sivakumar Vs State of Tamil Nadu. The District Magistrate, Krishnagiri, Tamil Nadu has informed the NGT that appropriate remedial action has been taken against illegal farming of carnivorous African catfish in the district. The farming of African catfish is banned under the Biological Diversity Act, 2020. The said farming involves feeding of chicken waste, egg waste etc. causing foul smell and water pollution.

Accordingly, the NGT disposed of the case.