The Government Agency like Municipal Corporation must issue the notices to such buildings/ structures which are having age more than 30 years. Mostly the maintenance is ignored in many structures which may cause some severe problems. Health and performance of buildings also depends on the maintenance of structure which plays a great role. Thus, Structural Audit of such type of buildings is necessary and timely maintenance /repairs also important. This will lead to prolonged life of building and safety of occupants. It also emphasizes on different repairs and retrofitting measures to be used for buildings after structural audit. Structural Audit is an overall health (strength assessment) and performance checkup of a building. It analyzes the strength and then suggests repair and retrofitting for the building to improve the service life of the structure. Enhance the life of the building by suggesting some preventive repairs. An old building with more than 15 years should be selected for structural Audit. And then the test should be performed on structure. Keywords- Structural Audit, Strength assessment, NDT, UPV Test, Rebound Hammer Test