Civil Services APPSC Group I Services Prelims Mock Test Series 2025 General Knowledge Indian Geography Indian Economic and Human Geography
Which of the following statement is correct related to Rat Hole Mining:
1
It is a primitive and not hazardous method of mining coal.
2
It involves digging of very big tunnels.
3
The National Green Tribunal has declared such activities legal.
4
It is famous in Jowai and Cherapunjee in Meghalaya.