1- In India, the distribution of minerals is mainly confined to the extra-Peninsular region.
2- Chotanagpur belt has vast reserves of coal but deficient in Kyanite and Iron ore.
3- The classification of resources of various minerals in India base on the United National Frame Work Classification (UNFC).
4- Bharat Gold Mines Limited (BGML) have registered office at Ramgiri Gold Field (Anantpur) was incorporated as a public sector company under the Ministry of Mines.
Which of the above statements are not correct?