Drilling of 03 nos upward nx size non-coring boreholes from r-viii(a) seam to r-ix seam of proposed depillaring panel lks 17 in lower kajora seam at khas kajora colliery

Cross-stitching support of all junctions during depillaring operation in proposed panel-30 of sonachora (r-viiib) seam, at no 11 pit of khas kajora colliery

Drilling of 03 nos. nx size non-coring borehole from surface to kajora (r-ix) seam and 2 nos. nx size non-coring borehole from surface to jambad (r-viii) seam of porascole east colliery

Drilling of 03 nos. nx size non-coring borehole from surface to kajora (r-ix) seam and 2 nos. nx size non-coring borehole from surface to jambad (r-viii) seam of porascole east colliery

Construction of 16 (sixteen) nos of ventilation stoppings at 10r to 25r in between (-)23l and (-)24l in sonachora (r-viiib) seam of madhabpur colliery under kajora area

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

Drilling 02 (two) nos. of upward bore holes from r-viii (top) seam to r-ix seam of porascole east colliery

Drilling 02 (two) nos. of upward bore holes from r-viii (top) seam to r-ix seam of porascole east colliery

Construction of protective roof for pit no. 01 and no. 02 pit bottom in sonachora (r-viii(b)) seam of madhabpur colliery

Construction of 9 (nine) nos. isolation stoppings to isolate the proposed depillaring with caving panel s-65 and s-65b under panel s-65 in sonachora r-viii(b) seam of madhabpur colliery