This document is the dissertation report submitted by Niraj Thakur to Bangalore University in partial fulfillment of the requirements for a Bachelor of Business Management degree. The dissertation is titled "A Study on Ratio Analysis at BHEL" and was conducted under the supervision of Assistant Professor Subha A. at REVA Institute of Science and Management in Bangalore. The report contains chapters on the introduction, research design, company profile, data analysis and interpretation using financial ratios, findings, and conclusions and recommendations. Tables and graphs are provided to analyze 20 financial ratios of BHEL over several years.