Drilling of 10 nos of boreholes&#x0d with casing (non-coring )150&#x0d mm diameter with lowering and&#x0d casing of pipes from surface to&#x0d xiii/xiv seam is urgently&#x0d required at kenduiadh colliery&#x0d under p.b area

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

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 02 (two) nos. of 100mm non-coring horizontal bore hole at 42l/16d in r-v (satgram) seam at j. k. nagar (r) colliery

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

Cutting and lifting of old pipe and installation of new seamless pipe in existing stowing vertical bore hole near sand bunker no. 1 of j. k. nagar colliery

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

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.