Cognition is the process of acquiring knowledge and understanding the world. Cognitive processes consist of the sub processes of perception, memory, language, thinking through which knowledge is acquired and maintained. Cognitive development may be viewed as the outcome of the continuous organism - environment interaction. The present study was conducted on 211 slow learners from Ranga Reddy district of Telangana State. The result reveals that there was a significant difference in cognitive abilities with respect to parent’s education and family income.