Repairing and plastering of 8 nos ventilation stopping in rviia seam of no 3 and 4 pit unit of kumardihi a colliery

Construction of 5nos. 0.38m thick ventilation stoppings in rviia seam for reorganization ventilation for rviic seam of 3 and 4 pit unit of kumardihi a colliery

Construction of 21 nos. new ventilation stopping and re-plastering in 13 nos. old ventilation stoppings in no- iv seam at kurasia 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 of ventilation stoppings, one pcc wall and repairing with plastering 7 nos ventilation stoppings in s p combined seam under kumardhubi colliery.

Repairing of 13 nos ventilation stoppings at dishergarh seam of ningah colliery

Re organisation of ventilation circuit of proposed stowing panel no rviia s2 in rviia seam at vk unit khandra colliery

Construction of 5nos ventilation stoppings at rviic seam to establish the ventilation route of rviib seam of cm project under nakrakonda kumardihi b colliery

10 nos isolation stopping repairing and re plastering colliery for stowing panel no rviia s1 in rviia seam and stowing panel no d6 and d7 of rvii seam at vk unit of khandra colliery .

Repairing of 6 nos. ventilation stopping in rviia seam,vk unit of khandra colliery