This document is a training report submitted by Ankit Mittal to Gauhati University in partial fulfillment of an MBA degree. It covers Ankit's training at Ernst & Young in New Delhi under the guidance of Prof. Arvind Basu. The report includes an introduction to the service tax sector, a profile of Ernst & Young, discussions on Ankit's work and learnings during the training, analysis of a selected research problem, and conclusions from the learning experience. Tables of data collected during the training are also included in an appendix.