Plastering with hollering 24 nos. of old sectionalisation stopping in g.p. seam under kumardhubi colliery.

Construction of 3 nos of ventilation stoppings, one pcc wall and repairing with plastering 7 nos ventilation stoppings in s p combined seam under kumardhubi colliery.

Construction of 3 nos of ventilation stoppings at kalimati seam and one ventilation stopping at bp bottom seam under kumardhubi colliery.

Plastering with hollering of 39 nos old isolation stopping in s.p. combine seam against stowing panel of 17th rise section under kumardhubi colliery.

Construction of 7 nos of ventilation stopping at kalimati seam under kumardhubi colliery.

Construction of 21 nos. new ventilation stopping and re-plastering in 13 nos. old ventilation stoppings in no- iv seam at kurasia colliery.

Re-plastering and hollering of 22 nos. of isolation stopping at no7 pit in narainkuri rvii seam under nimcha (r) colliery

Repairing of 07 no. broken ventilation stopping (including doors) and re-plastering of 35 nos. old damage ventilation stoppings in no v seam of ncph colliery r-6 mine

Construction of 3 nos ventilation stopping on kalimati top section under kumardhubi colliery.

Repairing, re-plastering and hollering of old isolation stopping and construction of a new isolation stopping at no. 8 pit in nega seam under nimcha(r)colliery