Question

What is bhabar,tarai,khandarand bahngar

Answer 1

bhabar is adjacent to the foot of hills of shivalik a narrow 8 to 16 km wide belt of pebbles and boulders.
bangar is older alluvial plain which rises above the level of the flood plains.
khadar is newer and younger alluvial of the flood plain deposited by the river flowing down the plain.
tarai lies adjacent to bhabar region composed of newer alluvium and is thickly forested.

Answer 2

The Bhabar is that narrow belt of the plain which is covered with pebbles and lies along the foothills of the Shiwaliks from the Indus to the Tista.