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Abstract
Tribal concentration is one of the major indicators of backwardness in regional planning of India. Since time immemorial tribal population has been considered as backward population. Beside this tribal population is also identified as indigenous and most primitive. So it is imperative to study tribal population to understand present scenario of this ethnic society in age of globalization and the condition of geographical space where this population is rich in concentration, popularly known as scheduled area. The paper peeps into and scans block wise tribal concentration of one of such scheduled areas of West Bengal and India known as Purulia district with the aid of statistical procedures like Index of Concentration, most suitable cartographic technique the dot method. It is having second highest population concentration among the districts of West Bengal. Purulia is also one of the backward districts of India. Apart from such economic constrains this undulating topography of the extended part of Chottanagpur plateau offers favourable ecology and habitat to the tribes. This led to high concentration of tribal population in the district. Purulia is also the only district of West Bengal where the most primitive tribe of India the Birhors live.