Access To mineral Deposit|| PART- 2||What is Shaft Pillar & Mine Car|| By Rohit sir
15:28
Access To Mineral Deposit Part -3|| VoL -1|| By Rohit sir
23:22
Drilling & Blasting Patterns in Opencast and U/G Mines #dgmsexam #opencastmines #undergroundmining
18:50
Access To A Mineral bed||Dj Deshmukh vol-1|| chapter -6|| Rohit sir
24:25
Temporary Lining of shaft | Shaft Sinking | Part-4 | Lining of Shaft | By Suman Sir
3:16:31
Part - 1 Most Important CMR 2017 MCQs /Chapter 1 - 15/Coal Mine regulation 2017/Mining Gyan
26:06
Explosive , Accessories And Blasting - Chapter 8|| Dj Deshmukh book|| By rohit sir✍️✍️✍️
16:15
Question on sinking shaft
11:53