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

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.

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

Repairing of eight (08) nos. ventilation stopping 1ed to 8ed/38l-37l in r-v seam of khottadih colliery, pandaveswar area.

Repairing of 15 (fifteen) nos ventilation stopping in rviiib seam of no. 1 incline of bankola colliery.

Repairing of 16(sixteen) nos. ventilation stopping in rviiib seam of no. 1 incline of bankola colliery.