Road transport plays very important role in development of country. Developing an honest network of road in villages in India
may be a difficult drawback because it wants stabilization of sub grade and sub base with economical choice. Spent wash is
works waste product of sugar trade and harmful if not properly treated and distributed in water. The present study deals with
the study of impact of blending spent wash in water on index properties of black cotton soil. It is economical and environmental
friendly replacement choice to water with improvement in index properties of black cotton soil.
Keywords:black cotton soil, index properties, road construction, spent wash, Soil Stabilization,