There have been stricter norms related to the emissions of air pollutants, effluents discharged from industries, or hazardous waste generation or handling as a result of increased awareness to protect the environment and the surroundings, as well as the feeling that we are just trustees to the environment and need to protect it. With the introduction of the 'polluter pays' idea throughout all regulations and legislation, there are now pollution-related standards and processes that industries and other business entities must adhere to. Pollution License is one of the factors. On a high level, it consists of two parts: Consent to Establish and Consent to Operate. Before we get into the processes for obtaining the appropriate NOC, we must first understand an essential index known as the Pollution Index of every industrial sector, which is represented by a number between 0 and 100, with 0 indicating the least pollution effect and 100 representing the most. The industries are cat