Work brings dignity to human beings. Vocational rehabilitation gives them independence in social and emotional life. The present research has focused on the impact of computer training in the competencies of mild mentally challenged adults. The sample of this study consisted of 6 mild mentally challenged adults from Ernakulam district, Kerala. Intervention has been given for the duration of one year. The tools employed for the assessment include Behavioral Assessment Scales for Adult Living – Mental Retardation (BASAL –MR) and personal data sheet. One pre test (base line) score and three follow up scores were noted. The results in BASAL MR part A indicate that the training helps to enhance the competencies of the participants and is sensitive even within the period of three months, both over all as well as within each domain.