2. It is 8 to 16 kms wide.
3. It comprises of pebble- studded rocks in the shape of porus beds.
4. Due to porosity of the rocks, the streams disappear and flow underground.
5. This region is not much suitable for agriculture.
1. It lies to the south of the Bhabar and run parallel to it.
2. It is 20 to 30 kms wide.
3. It is composed of comparatively finer alluvium and is covered by forests.
4. The underground streams of the Bhabar re-emerge on the surface and give birth to marshy area.
5. Most parts of the Tarai area are reclaimed for agriculture.