question_answer

  Consider the following statements about the conservation of coal in India and select the correct answer using the code given below:

1. Coking coal should be reserved only for metallurgical industry.

2. Low grade coal should be washed to remove impurities.

3. Selective mining should be stopped

4. The non-conventional sources of energy should be popularised

Code:

A)  1, 2 and 3 are correct    

B)  1, 2 and 4 are correct

C)  1, 3 and 4 are correct    

D)  1, 2, 3 and 4 are correct