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

Installation of underground substation in rviib seam and power circuit arrangement behind load centre from rviic and rviib seam of cm project at nakrakonda kumardihi b colliery under bankola area.

Construction of 9 nos. sectionalisation stoppings to sectionalize the cm development panel 3 at rviic seam of cm project under nakrakonda kumardihi b colliery

Construction of 10 nos man holes at drifts from rviic to rviib seam and roof bolting supports at minus 8l to minus 6l along minus 6d in rviic seam of cm project under nakrakonda kumardihi b colliery

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 15 nos (fifteen) isolation stoppings to isolate the proposed panels pb 3 and pb 4 in rviib seam of cm project under nakrakonda kumardihi b colliery.

Installation of haulage in rviib seam and replacement of power cable behind load centre at nakrakonda kumardihi b 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

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.

Drivage in coal mixed with stone at rviib seam to provide the enough space to cm package during starting the development of rviib seam of cm project under nakrakonda kumardihi b colliery