This document is an internship report submitted by Afrin Akter Rumi to analyze customer satisfaction levels at Standard Chartered Bank's Narayangonj branch in Bangladesh. It provides background on the bank, describes the internship experience and objectives of analyzing customer service. Data collection methods included interviews, questionnaires, and observations of bank activities and customers. The report aims to evaluate customer satisfaction, identify ways to improve service, and examine the bank's performance. Some limitations to the study include inability to access all bank data and preparing the report within the internship period.