Caste is an important factor in Indian social system. From ancient times, the caste is a factor which is considered a standard for ascertaining identity of each person. The nature of social, cultural, economic and political is decided on the basis of caste system. Hence, caste system is an undivided factor of Indian social structure and it is the basis of Indian social structure.. Over the time, Varna system and caste system were generated in India and Indian society got blocked in Varna and caste system. The constitution of India is enriched with several provisions for schedule caste and schedule tribes to safeguard and promote their cultural, social, educational, economic and political interests in order to bring them in mainstream of the nation. This paper aims to study the demographic parameters sex ratio and literacy rate in SC’s of Maharashtra state of India. In Maharashtra there are total 59 Scheduled caste as per census-2011.Findings of this study was Mahar caste recorded higher population as compare with other. SC’s sex ratio become higher than state sex ratio. But the SC’s literacy rate 69.94 was much lower than state literacy rate which is 82.34. The Female situation of SC’s community was very critical which is shows that because of female and in SC’s they can not take any education .These community needs more educational policies from government to uplift there social and economical condition. Spearman rank correlation coefficient shows that there is strong relationship between sex ratio and literacy rate.