The economics of education is about understanding how and why people make decisions to invest in education, the effect of education on long-term social and economic outcomes, the behavious of those institutions that produce education and how best to design and implement public policies affecting the level and distribution of education resources. This paper attempts to examine public expenditure on higher education, total gross enrollment of higher education, enrollment of schedule caste and schedule tribe and trends of marginalized community enrollment in higher education in India. SC/ST people are a mixed population of several social groups from all over India but they are still marginalized groups in our society. The higher education is one the major key of social mobility and human development. The research is effort to find out the how after economic reforms has impacted the higher education of SC/ST communities in India. This study based on secondary data was collected from University Grants Commission and Ministry of Finance about all related to necessary data. Hence, the present study suggest to the suitable policy to improvement of enrollment of SC/ST community in higher education.