Great Himalayan Ranges :The Himalaya Range is the highest mountain system in the world. It consists of severalparallel ranges. The mountains extend in a 1,500 mile curve across southern Asia from the Pamirs, west of the great bend of the Indus River, eastward to the great bend of the Brahmaputra River. The IHR physiographically, starting from the foothills of south (Siwaliks) , this mountain range extends up to Tibetan plateau on the north (Trans-Himalaya). Three major geographical entities, the Himadri (greater Himalaya), Himanchal (lesser Himalaya) and the Siwaliks (outer Himalaya) extending almost uninterrupted throughout its length, are separated by major geological fault lines.TheNorthern-most range of mountains are the Karakoram Mountains that continueinto Pakistan and China. To the south of the Karakoram range lie the Zaskar ranges.Parallel to the Zaskar ranges lie the PirPanjal ranges. These three mountain ranges lie parallel to each other in the north-western part of India, most of its area lying in the state of Jammu and Kashmir.