Holtec Consulting Private Limited conducted an operational audit of a cement plant in India. The audit aimed to optimize production, reduce energy consumption, and identify areas for modernization investment. The audit involved a systematic approach that included compiling historical data, identifying bottlenecks and constraints, researching and analyzing the data, and making recommendations for improvement. The audit team used a combination of desk research, site visits, and interviews with plant executives to gather information on the plant's operations, parameters, and energy consumption patterns. The audit team also collected data on energy and dust concentrations, and performed heat, gas, and quality balance tests in the calcination section. The audit results identified potential areas for optimization and energy savings, and provided recommendations for implementing measures to achieve these goals.