Survey of India

Survey of India is the National Agency for Geodesy and Cartography of India. Its head office is in Dehradun, Uttarakhand, subdivisions are spread all over India. Led by the Surveyor General of India authority subordinate to the Department of Science & Technology of the Ministry of Science and Technology (Ministry of Science and Research).

The duties of the Survey of India includes not only the geodetic, topographic and cartographic activities of a nationwide competent Office, including the creation of digital map, but also the spelling of place names, the Tidal prediction, together with the publication of tide tables for 44 ports and not least the determination of the outer borders of the country, their correct representation in the maps and the monitoring of the boundary representation in other maps, including those of commercial manufacturers.

The Survey of India was established in 1767 under the British East India Company and is the oldest scientific institution of the Government of India. Among his outstanding achievements the Great Trigonometrical Survey, the Great Trigonometric Survey, with which the Indian subcontinent was measured in the 19th century belongs.