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    Survey of India (SoI)

    The Survey of India (Hindi: भारतीय सर्वेक्षण विभाग) is India’s central engineering agency in charge of mapping and surveying. Set up in 1767 to help consolidate the territories of the British East India Company, it is one of the oldest Engineering Departments of the Government of India. The Survey of India’s distinguished history includes the handling of the mammoth Great Trigonometric Survey under William Lambton and George Everest.