Drilling of nx-size underground non-coring bore hole up to a depth of average 6.30 meter each bore hole from sp top seam to sp middle seam for parting proves purpose through 27/28th incline of hariajam colliery due to contiguous working development s

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

03 (three) nos drilling nx size non-coring horizontal bore hole in present working district of bp seam (top) to prove the parting waterlogged working of bp seam (top) worked by badjna colliery towards west side boundary between hariajam colliery and

Proposal for drilling of three nos. coring bore hole for determination of grade of coal for seams proposed to be worked at sangamahal oc patch at shampur-b colliery.

Drilling of nx-size underground non-coring bore hole up to a depth of average 6.30 meter each bore hole from sp top seam to sp middle seam for parting proves purpose through 27/28th incline of hariajam colliery due to contiguous working development s

Drilling of 4 no nx size coring borehole from b.p. bottom seam to ascertain the actual parting and prove the thickness of kalimati seam at kumardhubi colliery.

Drilling of 01 no 16 inch dia 400mm non coring water supplying bore hole from surface to rvi seam in between 48d minus4bl and minus 4cl for development of rv seam at mic unit of jhanjra project colliery

Drilling of 16 inch dia 01 no non coring pumping bore hole from surface to rviia seam at 3 and 4 incline unit of jhanjra project 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.

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