Construction Of Foundation Of Tugger Haulage At 21L/23Wd, Proposed 29L/23Wd & Proposed 29L/15Wd, Cleaning & Loading In Tub Of Carbonaceous Materials (Shale & Stone) From 21L/23Wd To 24L/23Wd And Roof Bolting From 21L/23Wd To 25L/23Wd, 24L/22Wd To 25L/22Wd & 27L/18Wd To 28L/18Wd In R-Vi Seam At Bhanora West Block Colliery.