Construction of 10 nos. pcc ventilation stopping in bp top seam for proper ventilation between 16l and 15l from 33r to 35r to 43 rise at virgin property of bp top seam at badjna colliery.

Construction of 15 nos ventilation stopping by brick from 0d to 10ed in between 33l and 34l and 34l to 37l in between 10ed and 11ed of proposed panel e2 bott dep stow district in working of rvi chora seam for chora 7 and 9 pit colliery under kenda ar

Construction of 15 nos ventilation stopping by brick from 0d to 10ed in between 33l and 34l and 34l to 37l in between 10ed and 11ed of proposed panel e2 bott dep stow district in working of rvi chora seam for chora 7 and 9 pit colliery under kenda ar

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 80 nos. new fly ash ventilation stopping for the proposed cm development panel no. 55lw, 50lw, 45lw and 38l at v- top seam of baherabandh u g mine of hasdeo area

Construction of 08 nos. p.c.c. ventilation stopping at g.p. seam at main dip / haulage dip district from 23 e/l to 30 e/l through 5/6 no incline of hariajam 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

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.