
An attempt has been carried out to develop rule-based classification through a raster GIS to improve the accuracy of land cover classification derived from ETM Data To produce rule based land cover classification for the study area (a part of Dehradun district).Rules to be produced for each land cover class in different bands namely green, red, near infrared, mid infrared 1, mid infrared 2, NDVI and PCA and to compare the rule based approach for each class in each band rule based approach for each class in each band.