Major purpose of this report is to analysis attitude of Customer Service provided by Shahjalal Islami Bank Limited. In banking sector Customer Service is the provision regarding service to customers before, during and after some sort of purchase. Here find out the satisfaction level of the customer on the service provided by this bank as well as to evaluate the service efficiency level. Other objectives are find out employee efficiency level, find out the condition of the organizational environment and find out the service level of this bank.