The Survey of India acts as adviser to the Government of India on all survey matters, viz Geodesy, Photogrammetry, Mapping & Map Reproduction. However, the main duties and responsibilities of the Survey of India are enumerated below:
>> All Geodetic Control (Horizontal and Vertical) and Geodetic and geophysical Surveys.
>> All Topographical control, Surveys and Mapping within India.
>> Mapping and Production Of Geographical maps and Aeronautical Charts.
>> Surveys for Developmental Projects.
>> Large-scale Cities, Guide Maps & Cadastral Surveys etc.
>> Survey and Mapping of special purpose maps.
>> Spelling of Geographical names.
>> Demarcation of the External Boundaries of the Republic of India, their depiction on maps published in the country and also advice on the demarcation of inter-state boundaries.
>> Training of officers and staff of Survey of India, other Central and State Government department and trainees from Foreign Countries.
>> Research and Development in Digital Mapping and creation of Digital Topographical Data Base on 1:250,000, 1:50,000 and 1:25,000 scale, Printing, Geodesy, Photogrammetry, Topographical Surveys and Indigenisation.
>> Prediction of tides at 44 ports including 14 foreign ports and publication of Tide Table one year in advance to support navigational activities.
>> Scrutiny and Certification of external boundaries & coastline on maps published by the other agencies including private publishers