This document presents an overview of the National Bank of Bangladesh and analyzes its service gaps using the Service Gap Model. It identifies six students who submitted a presentation to a lecturer at Z.H. Sikder University of Science and Technology. It provides background on National Bank and describes Parasuraman et al.'s Service Gap Model, distinguishing between customer gaps and provider gaps. For National Bank, customer gaps include issues like high loan and service charges, lack of liquid assets, insufficient ATMs, problems with m-banking, complex management, lack of student facilities, and unresponsive employees.