Opencast mining bench parameter, haul road parameter with MCQ

Opencast mining bench parameter, height & width as per CMR-2017, haul road width, parapet wall, berm, embankment with MCQ

[@AmitSingh-ep2jl]

Sir bht informative tha ye sir kya app tri junction and revenue pillar explain kar skte h

[@mahatojitechnical5485]

Nice one sir

[@rajivpatel2784]

Thanks

[@AJAYKUMAR-iw6lr]

Open cast k kaun sa books acha h..sir