Rimming of existing vertical borehole (100 mm dia/nx and 260 m depth ) to enhance the surface discharge of mine water in respect of dhemomain incline collier

Supporting by roof bolting along travelling roadway from 2d/56l pump to borehole 9r/53l in borachak (r-viii) seam of dhemomain incline colliery

Drilling 03 nos of nx size coring borehole for analytical study of coal in comparative manners with respect of barmuri ocp.

Drilling of 3 nos. of nx size incline upward borehole from rviia to r vil&#x0d seam for proving upper seam free from water at shyamsundarpur colliery.&#x0d

Laying of hume pipe in the road from balrampur 10 and 12 incline to kumda 7 and 8 incline and platform arround 08 nos borehole discharge points of balrampur 10 and 12 inclines at kumda sub area,bishrampur area.

Renovation of one no. existing 250mm dia 50mt depth vertical borehole with lifting of 150mm dia damage pipe and lowering new 150mm dia pipe at sankalpa khani incline bunker no 6 of bankola colliery

Drilling of nx-size underground non-coring bore hole up to a depth of average 6.30 meter each bore hole from sp top seam to sp middle seam for parting proves purpose through 27/28th incline of hariajam colliery due to contiguous working development s

Drilling of nx-size underground non-coring bore hole up to a depth of average 6.30 meter each bore hole from sp top seam to sp middle seam for parting proves purpose through 27/28th incline of hariajam colliery due to contiguous working development s