The Archaeological Survey of India (ASI), under the Ministry of Culture, is the
premier organization for the archaeological researches and protection of the
cultural heritage of the nation. Maintenance of ancient monuments and
archaeological sites and remains of national importance is the prime concern of
the ASI. Besides it regulate all archaeological activities in the country as per
the provisions of the Ancient Monuments and Archaeological Sites and Remains
Act, 1958. It also regulates Antiquities and Art Treasure Act, 1972.
For the maintenance of ancient monuments and archaeological sites and remains of
national importance the entire country is divided into 24 Circles. The
organization has a large work force of trained archaeologists, conservators,
epigraphist, architects and scientists for conducting archaeological research
projects through its Circles, Museums, Excavation Branches, Prehistory Branch,
Epigraphy Branches, Science Branch, Horticulture Branch, Building Survey
Project, Temple Survey Projects and Underwater Archaeology Wing.
Kolkata Circle being trifurcated and separated from the then eastern Circle in
1984 encompasses the area of present state of West Bengal, Sikkim and Andaman &
Nicobar Island. Kolkata circle altogether looks after 136 monuments of national
importance for the conservation and day to day upkeepment through its seven
sub-circles located at Geyzing(Sikkim), Koch Bihar, Kalna, Maldah, Murshidabad
and Bishnupur for effective administration, maintenance, to undertake special
repairs and to keep a watch on encroachments & illegal constructions.