INDIAN GEOGRAPHY

Detailed explanation-1: -Answer: Beyond the Dihang gorge, the Himalayas bend sharply to the south and spread along the eastern boundary of India. They are known as the Purvanchal or the Eastern hills and mountains. These hills running through the north-eastern states are mostly composed of strong sandstones, which are sedimentary rocks.

Detailed explanation-2: -Geology. The Eastern Ghats are made up of charnockites, granite gneiss, khondalites, metamorphic gneisses and quartzite rock formations. The structure of the Eastern Ghats includes thrusts and strike-slip faults all along its range. Limestone, bauxite and iron ore are found in the Eastern Ghats hill ranges.

Detailed explanation-3: -Also called Purvanchal or the eastern hills and mountains. Purvanchal hills are composed of string sandstones which are sedimentary rocks.

Detailed explanation-4: -The Himalayas bend sharply to the south beyond the Dihang gorge and move outwards to form a covering the eastern boundary of the country. They are known as ‘the Eastern or Purvanchal Hills’. It extended in the north-eastern states of India.

Detailed explanation-5: -The range is an eastern extension of the Himalayan Range System, in north eastern India. It bends sharply to the south beyond the Dihang River gorge, and spreads along the eastern boundary of India with Myanmar. The Purvanchal includes the hill of the Patkai hills, Naga Hills, Mizo Hills and Manipur hills.