OPENCAST MINING Legislation Part-1
48:11
Dump Failure || Bench Failure || Drainage System || Surface Mining Technology Advance
15:55
ANFO & Slurry Explosive || Opencast Explosives || Use ? Properties? Important for WCL MS Exam
12:37
India, Coal Mines Everywhere
11:51
Inspection of sump
23:22
Drilling & Blasting Patterns in Opencast and U/G Mines #dgmsexam #opencastmines #undergroundmining
11:43
Opencast Machinery Used || Shovel, Dumper,Dragline,Surface Miner,Wheel Bucket Excavator,Highwall etc
36:03
Asia’s biggest open cast coal mine tour | Coal mining process | Gevra, SECL coal mine Chhattisgarh
1:59:00