Kolkata is in East India.
== History ===== British colonial rule ===The discovery and archaeological study of Chandraketugarh, 35 km (22 mi) north of Kolkata, provide evidence that the region in which the city stands has been inhabited for over two millennia
Kolkata houses many research institutes like Indian Association for the Cultivation of Science (IACS), Indian Institute of Chemical Biology (IICB), Indian Institute of Science Education and Research (IISER), Bose Institute, Saha Institute of Nuclear Physics (SINP), Centre for Studies in Social Sciences, Calcutta, All India Institute of Hygiene and Public Health, Central Glass and Ceramic Research Institute (CGCRI), S

