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Survey of India

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Survey of India
Survey and mapping agency overview
Formed1767; 257 years ago (1767)[1]
JurisdictionGovernment of India
HeadquartersHathibarkala Estate, New Cantt Road, Dehradun, Uttarakhand, India[2]
Minister responsible
Survey and mapping agency executive
Parent departmentDepartment of Science and Technology
Websitesurveyofindia.gov.in
A map showing the triangles and transects used in the Great Trigonometrical Survey (1802–1852), produced in 1870.
Surveyor-General of India George Everest (b.1790-d.1866) under whom GTS was completed and Mount Everest was named in his honour.

The Survey of India is India's central engineering agency in charge of mapping and surveying.[3] Set up in 1767[4] to help consolidate the territories of the British East India Company, it is one of the oldest Engineering Departments of the Government of India. Its members are from Survey of India Service cadre of Civil Services of India. It is headed by the Surveyor General of India. At present, the Surveyor General is Hitesh Kumar S. Makwana.

History

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The history of the Survey of India dates back to the 18th century.[5] "First modern scientific survey of India" was undertaken by John Mather in 1793–96 on instructions of Superintendent of Salem and Baramahal, Col. Alexander Read. The present Dharmapuri district, Krishnagiri district and North Arcot in western Tamil Nadu were then called Baramahal.[6]

The Great Trigonometrical Survey (1802–1852) was started by British surveyor Col. William Lambton on 10 April 1802, heading from St. Thomas Mount in Chennai to the foothills of the Himalayas.[citation needed] 36 inch huge half ton weight Theodolite was used, which took 57 days to measure the 12-km base line. This 5-decade project was completed under Survey General Lt. George Everest in the year 1852. Pioneering mathematician and Surveyor Radhanath Sikdar measured Mount Everest in 1852, with a height of 29,002 feet. Modern measurements indicate the height is 29,037 feet. This is regarded as the beginning of a new age of systematic topographical mapping in India succeeding the classical age, and the founding of one of the oldest survey and mapping agencies in the world.

Organisation

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The Survey of India, headquartered at Dehradun, Uttarakhand, has 18 geospatial divisions ranging from the prediction of tides to aerial survey. It has 23 Geo-spatial Data Centers spread across India, each catering to the respective administrative area. Surveyors are the backbone of Survey of India. Appointments to Group 'A' Civil Stream posts in the Junior Time Scale (Dy Supdtg Surveyor) in Survey of India are made on the basis of competitive Indian Engineering Services examination conducted by the Union Public Service Commission . The important posts/ grades in Survey of India are in the following order of seniority: Draftsman, Plane Tabler, Survey Assistant, Surveyor, Officer Surveyor, Deputy Superintending Surveyor, Superintending Surveyor, Superintending Surveyor (Non-Functional Second Grade)/Deputy Director, Director/Deputy Surveyor General, Additional Surveyor General, Surveyor General.

Responsibilities

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Maps

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The Survey of India publishes maps and the unrestricted category maps can be obtained from its several Geo-spatial data centers. Restricted category maps require due approval from government authorities. Many other rules govern the sale and use of Survey of India maps. Only an Indian citizen may purchase topographic maps and these may not be exported from India for any reason.[7] On 15 February 2021, the Government of India announced changes to the country's mapping policy which frees up lot of earlier restrictions related to mapping.[8] A list of restrictions proposed is published by DST for comments by 30 July 2021.[9]

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See also

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References

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  1. ^ "About Us". Survey of India. Archived from the original on 26 May 2018. Retrieved 27 May 2018.
  2. ^ "Contact us". Survey of India. Archived from the original on 15 May 2018. Retrieved 27 May 2018.
  3. ^ On 250th birthday, Survey of India wants to shed its cloak of secrecy Archived 29 January 2017 at the Wayback Machine, Indian Express.
  4. ^ St. Peter Church Allahabad Archived 17 February 2023 at the Wayback Machine.
  5. ^ Dean, Riaz (2019). Mapping The Great Game: Explorers, Spies & Maps in Nineteenth-century Asia. Oxford: Casemate (UK). pp. 72–83. ISBN 978-1-61200-814-1.
  6. ^ Baramahal records Vol.I P.220, In Letter Dated 04.10.1797 The British Government appreciated Col. Alexander Read.
  7. ^ "Restriction on maps in India". 3 December 2010. Archived from the original on 30 January 2022. Retrieved 20 March 2021.
  8. ^ Chaudhary, Swapnil (17 February 2021). "New mapping policy". Policy Code. Archived from the original on 20 April 2021. Retrieved 5 July 2021.
  9. ^ "Tentative List of Features/Installations and their sensitive attributes with reference to para 8(iii)(a) of the "Guidelines for acquiring and producing Geospatial Data and Geospatial Data Services including Maps" issued on 15.02.2021" (PDF). Policy Code. Archived (PDF) from the original on 1 October 2021. Retrieved 6 January 2022.

Further reading

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