Cleaning of fallen coal at main dip between 32th level to 37th level of g.p.seam through 5/6 incline of hariajam colliery.

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 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

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.

Roof bolting job in sp top seam in different places of working district through 27/28 no. incline of hariajam colliery.

Construction of 10 (ten) nos. ventilation stopping at sp middle seam through 27/28 incline of hariajam colliery.

Cleaning and white washing at travelling roadway of sp middle seam from incline mouth to 2 nd dip of 22 nd level through 27/28 incline and cleaning and white washing at 21 st east level from main dip to 1 st dip and drift-b from tugger rise (sp middl