This document provides the Indian Standard method of measurement for ceiling and lining works in building and civil engineering projects. It outlines the general rules for measurement, including measuring dimensions to the nearest 0.01 m and areas to the nearest 0.01 m2. Various ceiling and lining items such as boarding, circular cutting, fillets, and insulation are to be measured separately according to specifications. No deductions are made for openings less than 0.4 m2 while deductions are made for larger openings.