Goods and Service Tax is a comprehensive tax levy on manufacture, sale and consumption of goods and services. GST is termed as biggest tax reform In Indian Tax Structure. It will not be an additional tax, it will include central excise duty, service tax additional duties of customers at the central level, VAT, central sales tax, entertainment tax, octroi, state surcharge, luxury tax, lottery tax and other surcharge on supply of goods and services. The purpose of GST is to replace all these lottery tax and other surcharge on supply of goods and services. The purpose of GST is to replace all these taxes with single comprehensive tax, bringing it all under single umbrella. The purpose is to eliminate tax on tax. This paper will throw light on GST its features and also effect of GST on price of goods and Services.