1) In 1861, Alexander Cunningham was appointed as the first Archaeological Surveyor of India to survey and document historic sites across northern India. 2) The Archaeological Survey of India was established under the British Raj to scientifically preserve historic monuments, and continues to be responsible for archaeological research and protection of cultural heritage sites. 3) The ASI is divided into 24 regional Circles to maintain over 3,650 ancient monuments and archaeological sites across various time periods and locations in India.