The Government of India in consultation with Bureau of Energy Efficiency (BEE) has released the PAT targets for the period from 2012-13 to 2014-15 in relation to their current level of energy consumption. Cement industry needs to focus more on Thermal Energy Efficiency in its endeavour to achieve the PAT targets. This manual serves as a ready reckoner on thermal energy efficiency including latest norms and best practices to reduce thermal Specific Energy Consumption.