Consider the following statements about Rat hole mining:

  1. Rat hole mining is mainly used for Gold mining in India
  2. This type of mining is mainly carried out in South India
  3. This mining technique helps in reducing underground water pollution

Which of the above statement is/are correct?

Answer: [D] None

First statement is incorrect because Rat hole mining is mainly used for coal mining in India. Second statement is incorrect because this type of mining is mainly carried out in the Northeast regions of India. Third statement is incorrect because this mining practise has been banned by the National Green Tribunal (NGT) because it has resulted in water pollution and death of many aquatic species. 

This question is a part of GKToday's Integrated IAS General Studies Module