This study was undertaken to measure/mapping an Aptitude of library science students of Library Science Department Gujarat State. A total of 184 responses were collected in this study. In this study, researcher intended to find out the effect of variables i.e. Gender, Social Group and Faculty on Aptitude Test Score (ATS) of library science students. Librarian Aptitude test is constructed and standardized to gauge one’s overall academic and professional competency. The finding of this study is showing that only one variable, Faculty of library science students’ is effect on their Aptitude. LIS departments of all university should re think their policy for admission in this profession and re design the curricula with current scenario.