Order of the National Green Tribunal in the matter of Shri L. G. Sahadevan, Chennai Vs Union of India & Others dated 19/08/2019 regarding use of alternative fuel in the state of Tamil Nadu. Action plan submitted through the Joint Transport Commissioner (Road and Safety), Tamil Nadu states that "under the present condition the pollution level is under control when compared to other States and enough LPG is available throughout the State and CNG is not available and a Committee has been constituted to study about the same and they are making the study."

The Tribunal expressed its dissatisfaction at the report and that it was not in tune with the guidelines provided. Tamil Nadu has been directed to prepare an action plan within three months on the matter.