Cutting of jhama by electrical and pnumetric drilling and blasting and mucking manually at 8th dip between 31st and 32nd west level of gp seam through 5/6 incline of hariajam colliery.

Construction of 08 (eight) nos. ventilation stopping at sp top seam in different places through 27/28 incline of hariajam 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

Construction of 20 nos manholes along 3dip haulage roadway of bb top seam at chora block incline colliery under kenda area ecl

4254 nos roof bolting of along haulage roadway at nj unit in kenda seam of bahula colliery under kenda area ecl

Roof bolting support in coal along haulage roadway as well as travelling roadway for proposed jb 6 and proposed development district 20d 17l to simultaneously in rviii-b seam at nkj unit of khandra colliery

Construction of 10 ten nos. ventilation stopping at bp seam top in different places for new development district and proposal for lowering and carrying of rail and wooden sleeper from surface to working district of sp top seam through 27/28 incline o

5000 nos roof bolting of along travelling roadway at nj unit in kenda seam of bahula colliery under kenda area ecl

03 (three) nos drilling nx size non-coring horizontal bore hole in present working district of bp seam (top) to prove the parting waterlogged working of bp seam (top) worked by badjna colliery towards west side boundary between hariajam colliery and

Roof bolting job in bp seam top which 500 nos. of bolt for present travelling roadway along drift a and 800 nos. of bolt for present development district between - 1 level to - 6 level through 27/28 no. incline of hariajam colliery.