This study made an attempt to find out the relationship between managerial effectiveness and emotional intelligence of branch managers of public sector banks like state Bank of India, Punjab National bank and Indian Bank in the district of Kolkata, West Bengal. The sample consists of 174 branch managers. Stratified random sampling method is used. The data collected through standard structure questionnaire named as Managerial Effectiveness Scale developed by Prof. S. Gupta (1996) and “Emotional Intelligence Test Scale developed by Dr. N. K. Chadha and Dr. D. Singh (2001) was administered. The five hypotheses formulated in the study are tested using appropriate statistical tests like Mean, S. D., t test, ANOVA, correlation and regression analysis to assess the managerial effectiveness of public banks branch managers with respect to emotional intelligence. The results revealed that there is no significance mean difference within the public banks (SBI, PNB, and IB). The result also exhibits that managerial effectiveness is positively correlated with the emotional intelligence and managers having high level of emotional intelligence are more effective than managers having low level of emotional intelligence. It is conclude from the results that emotional intelligence is a significant predictor of managerial effectiveness of branch managers in public sector banks.