Construction of 16 nos supporting pillar (1.0m x1.0m) thick in rviia seam, rviib seam and rviic seam of no 3 and 4 unit of kumardihi a collierv

Construction of 25 nos supporting pillar (1.0 m x 1.0 m) thick in rviia seam rviib seam and rviic seam of no. 3 and 4 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

Drilling of 5 no (five) nx size upward non coring boreholes (4 nos from rviic to rviib seam lowering the water of running development panels of rviib to rviic seam and 1 no from rviic to rviia seam for lowering the water from rviia to rviic seam) an

Drilling of 2 nos. nx size non coring upward borehole from rviic seam (at 9a development panel) to rviia seam of cm project under nakrakonda kumardihi b colliery

8nos. of manholes along drift from rvii seam to rviia seam of no 4 pit unit of kumardihi a colliery

Construction of 6(six) nos 1.0 ntx1.0 mt thick brick pillars at rviia rvii seam of no.8 pit of bankola colliery.

Construction of 5 nos pump foundation in rviia seam and rviib seam of no 3 and 4 pit unit of kumardihi a colliery

Sump cleaning in and around pumping site in rviia seam no. 3 and 4 pit unit of&#x0d kumardihi a colliery&#x0d

Renovation and re-supporting of haulage roadway (3rd drift from rvii to rviia) for panel no rviia s2 in rviia seam.