Drilling of 400mm non-coring vertical bore hole near sand bunker till r-v (satgram) seam at j. k. nagar (r) colliery

Drilling 02 (two) nos. of 100mm non-coring horizontal bore hole at 24l/40d in r-v (satgram) seam at j. k. nagar (r) colliery

Drilling of 250mm non-coring vertical bore hole near pit no. 3 to establish water discharge of r-v (satgram) seam at j. k. nagar (r) colliery

Drilling of 400mm non-coring vertical bore hole near pit no. 3 to establish stowing range upto r-v (satgram) seam at j. k. nagar colliery

Construction of 05 (five) nos. of haulage foundations at r-v (satgram) seam of j. k. nagar colliery

Drilling of three (03) number non coring upward bore hole at 40l/9d, 40l/16d, 40l/22d of r-vi seam to r-vii (a and b) seam of khottadih colliery, pandaveswar area.

Construction of 17 (seen) nos. of 0.38m thick ventilation stoppings in pit no. 1, satgram (r-v) seam at j. k. nagar (r) colliery

Drilling of 02 (two) nos. coring bore hole (nx size) at khottadih ocp of pandaveswar area.

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 four (04) number 60m long non coring upward bore hole for cm caving panel in r-vi seam of khottadih colliery, pandaveswar area