The main objective of the study is to find out the common factors that account for the relationship between Emotional Intelligence, Need Achievement, Temperament and Character. A sample of 69 post graduate students was randomly selected from the commerce faculty in Aligarh Muslim University. Three different research instruments were used to measure the variables: Emotional intelligence Scale (EIS) by Anukool Hyde, Sanjyot Pethe and Upinder Dhar, The Temperament and Character Inventory (TCI) by Cloninger et. al. and Achievement Motivation Test (n-Ach scale) by Pratibha Deo and Asha Mohan. The analysis was done by SPSS in two steps: Computation of Inter-correlations among the variables and Factor analysis of the sub dimensions of all the four variables. Six (6) Factors emerged in the factor analysis namely: Emotional Intelligence with High Need Achievement, Reflective and Persistent Personality, Self Actualization Orientation, Lively and Conscientious Personality, Bold and Enthusiastic Personality and Motivated for Self development with Self Centered Attitude. The factors in detail are discussed in the paper.