What is GST?
Goods and Services Tax — GST — is a comprehensive tax levy on manufacture, sale and consumption of goods and services at a national level.
Water Pollution
Addition of certain substances to the water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Putrescibility is the process of decomposition of organic matter present in water by microorganisms using oxygen. Water having DO (dissolved oxygen) content below 8.0 mg/L may be … Read more Water Pollution