Western Odisha - Population (1991 vs 2001)

Reference 1: District Headquarters, Area (km2.), Population 1991 Census and Population 2001 Census.

Reference 2: Balangir, Bargarh, Baudh (Boudh), Debagarh (Deogarh), Jharsuguda, Kalahandi, Nuapada, Sambalpur, Subarnapur and Sundargarh.

Source: http://en.wikipedia.org/wiki/Kosal_region