Construction of 08 (eight) nos. ventilation stopping at gp seam in different places through 5/6 no. incline of hariajam colliery.

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

Construction of 15 (fifteen) nos ventilation stopping at s.p.middle seam and top seam at 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.

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

Construction of 08 (eight) nos. ventilation stopping at sp top seam from 13th dip/22 level to 19th dip/22 level and 4th dip in between 22nd and 21st level towards east side near drift - a through 27/28 incline of hariajam colliery.

Roof bolting job in drift b sp middle seam to bp top seam up to - 1st level through 27/28 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

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 05 (five) nos. p.c.c. ventilation stopping at g.p. seam at 22nd haulage dip district of 5/6 no incline of hariajam colliery.