Rajpur Sonarpur, popularly known as Sonarpur, is a city and a municipality of South 24 Parganas district in the Indian State of West Bengal. It is a part of the area covered by Kolkata Metropolitan Development Authority (KMDA). In fact, Rajpur and Sonarpur are two separate towns. Since the formation of the municipality, these two towns are known together as Rajpur Sonarpur. The city is well known for being the location of the Narendrapur Ramakrishna Mission, the ancestral house of Netaji Subhash Chandra Bose and the Bipadtarini Chandi Bari temple.
Source : Wikipedia