Most of the minerals of India are found in the

1. Aravalis
2. Himalayas
3. Chhota Nagpur Plateau
4. None of these

Hydel power is

1. Geothermal energy
2. Non-conventional energy
3. Conventional energy
4. All of these

Bituminous coal is used for

1. Industrial purposes
2. Domestic purposes
3. Electricity generation
4. All of these

The best quality of coal containing over 80 per cent carbon

1. Lignite
2. Bituminous
3. Anthracite
4. Peat