The aim of the present study was to establish the reliability of Anxiety (CSAI-2D) during competition with the help of the thirty eight (38) athletes’. The competitive state anxiety examined on International and National Level Indian Athletes from National Athletics Coaching camp at the gap of one weak. The relationship between 3 × 2 variables at intensity and directional interpretation of anxiety proves that the anxiety can be facilitative and debilitative the performance of athletes. The responses on Competitive state anxiety questionnaire in bilingual (Hindi and English) responded by athletes, which assess sub-scales (Cognitive Anxiety, Somatic Anxiety and Self-confidence). The statistical analysis defines the Reliability of Competitive State Anxiety Inventory-2D (modified version) on Indian population. The Pearson’s Product Moment Correlation method was used to measure the significant relationship between variables of anxiety during competition which reflects low and high anxiety at intensity interpretation of athletes and the Perception of these anxiety symptoms reflects facilitative and debilitative responses of anxiety on the performance of athletes. These competitive state anxiety measures with Cognitive state anxiety, Somatic state anxiety and Self-confidence.