name the three parallel ranges of the himalayas and explain three main features of northern most plain
1.HIMADRI
*innermost range of himalayas.
*average height 6000m
*it is the most continuous range consisting of most lofties peak.
*width of this range is 400km
*it is perennially snow bound and no. of glaciers descend from this range.
2.HIMACHAL
*lies in south of himadri.
*forms the most ruggrd mountains system.
*this range i composed of highly composed and altered rocks.
*average width is 50km
*pirpanjal ranges forms the longest and most important ranges.
3.SHIWALIK
*outermost and lowest range of himalayas.
*width - 10-50km
*altitude-900-1100m
*valley are covered with thick gravel and alluvial
*it composes dense forests and the land is suitable for cultivation.