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

Drilling of 4nos. nx size upward vertical and inclined boreholes from e8/e9 proposed depillaring district of bagdona seam to lws at tawa mine of pathakhera area, wcl.

Support by roof bolting of panel lks 16 (top section) (during development) at lower kajora seam, no 10 pit of khas kajora colliery

Construction of 10(ten) nos isolation stoppings for proposed panel lks-17 (bottom) in lower kajora (r-viii a) seam of khas kajora colliery

Advance support by roof bolting of proposed panel lks-17 in lower kajora (r-viii a) seam, no 10 pit of khas kajora colliery

Drilling of 02 (two) nos. of upward nx size non-coring bore holes from r-viii (bottom) seam to r-viii(top) seam for proposed depillaring panel s-65 in sonachora (r-viiib) seam at no. 2 pit of madhabpur colliery

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 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 nx size upward vertical or inclined boreholes from bagdona seam to goaved-out panel of lower worka-ble seam or upper workable seam at tawa ug mine, pathakhera area, wcl