Land surveying makes use of various hi tech techniques such as GPS and computer model. There are different types of land surveys amongst which residential land surveys are the most common. It can be also called as boundary survey laser level. Mostly used in cases of property disputes. As compared to other surveys residential surveys are much more complicated as simply measuring boundaries of your land. What actually land surveyors do is they research on and then design the true boundaries of your plot. The first and most important step while dealing with land survey is to take care of any records concerned with the property. Usually a land surveyor will measure the land number of times till he gets the satisfied results. They are primarily concerned with land features and water boundaries. Before building a house a land must be suitable for Construction. All developments start with a land survey. Land Surveying is very important in improvement of the human environment. It has also spread in field of mapping and establishment of legal boundaries of land ownership, transportation, telecommunications, and buildings. It is an important part of planning and implementation of any construction. In land survey, subdivision plats/maps, registered land surveys, judicial surveys, and space delineation are also certified. Re-establishment of land boundaries based on documented records and historical evidence is also included in Land survey. It is also associated with services such as the analysis and utilization of land survey data as well as construction layout surveys, horizontal and vertical control surveys, mapping and related data accumulation, precision measurements of area, length, elevation, angle, and volume. Land surveying mainly focuses on establishment of property boundaries through inspection, systematic study, study of legal instruments related to property and gathering information through field observations and measurements.