Requirements for the effective segmentation:
1. Accessibility: the segment should be accessible, or otherwise no in roads can be made. A large part of the North - East remains inaccessible either because of weather conditions or hostile geographical terrain, or problems of insurgency.
2. Measurable: the segment should be measureable. It should be possible to quantity the segment as it would help in estimating its size.
3. Intensity in the competition: another parameter determining the segment's attractiveness is the intensity in the inter firm rivalry. The higher the or more the competition, the more unattractive the segment will be the marketer.
4. Viable: it should be cost effective and profitable for the marketer.