The present research work was conducted to measure the efficiency of the cement companies in Indian Scenario by utilizing the concept of Data Envelopment Analysis during the pre and post period of recession during the recent global turmoil. In the present study two outputs (related to profit and sales) and three inputs related to cost are taken into consideration . Input oriented vari... https://www.roneverhart.com/API-1608-II-Recording-and-Mixing-Console-p17720/