Globetrek Engineering Corporation is one of the Few Indian organizations which constantly working with the Goal to developed most advance Survey Instruments in India . Chain survey/surveying is a very old method of Surveying. The chain survey is the simplest method of surveying. In the chain survey, only measurements are taken in the field, and the rest work, such as plotting calculation, etc. are done in the office. Here only linear measurements are made i.e. no angular measurements are made.