The objective of the study was to find out the psychological difference between sportspersons of different age groups in the relation to their sports achievement motivation. In this study 40 individuals were selected. Out of that 20 were junior age group and 20 were senior age group. Players are randomly selected as the subjects for the study. The subjects selected from the Kurukshetra (Haryana). The age level of the subjects was ranged from 12 to 25 years. To assess the achievement motivation, with the help of achievement motivation questionnaire designed and validated by Dr. M.L. Kamlesh was used. The data was analyzed by applying ‘t’ test in the order to determine the psychological difference between the male and female basketball players, the level of significance was set at 0.05. Key Words- Achievement Motivation, Dependent variable, Independent variable, t-test, etc.