Soil stabilization is the process of improving the physical and engineering properties of the soil such as shear strength and bearing capacity, soil stabilization is also involving in decreasing the permeability and settlements as the soil is a loose unconsolidated material which is obtained by weathering of rocks and decomposition of organic matter. Which leads to the formation of different types of soils among different types of soils, the black cotton soil is the highly expansive soil which will be showing more swelling and shrinkage and settlement problems. In order to overcome this situation, the soil properties need to be improved by a process known as soil stabilization. This can be done by adding some external agents to it like coal, flyash, bagasse and plastic. Some experiments such as-as liquid limit, plastic limit, California bearing ratio (CBR) is conducted for the stabilized soil which will be showing the improved results in the engineering properties