“Rat-hole” mining is found in |
|||
(a) |
Jharkhand |
(b) |
Nagaland |
(c) |
Meghalaya |
(d) |
Odisha |
“Rat-hole” mining is found in |
|||
(a) |
Jharkhand |
(b) |
Nagaland |
(c) |
Meghalaya |
(d) |
Odisha |