The Energy Conservation (Energy Consumption Norms and Standards for Designated Consumers, Form, Time within which, and Manner of Preparation and Implementation of Scheme, Procedure for issue or purchase of Energy Saving Certificate and Value of Per Metric Tonne of Oil Equivalent of Energy Consumed) Rules, 2012
that errors, omissions or misrepresentations or aggregation by way of errors, and sums thereof shall not exceed ±0.5 percent. which shall be the permissible error