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

04 (four) nos. horizontal bore-hole from (r-viii top) lower kajora seam to upper kajora (r-ix) seam of central 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

Proposal for drilling of 07 nos. of upward bore hole from r-v seam to r-vi seam of no.5 pit at manderboni colliery, pandaveswar area.

Construction of brick stopping for panel formation in r-viii seam working of porascole east colliery

Construction of brick stoppings for pressure balancing at jambad (r-viii) seam of porascole east colliery

Drilling of one (01) no. (60m long) upward bore hole for cm panel b19 in r-vi seam of khottadih colliery, pandaveswar area.