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 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

04 four nos. underground non-coring borehole for parting proves purpose in old working water logged area at g.p. seam through 5 and 6 incline of hariajam colliery.

03 three nos. u/g non-coring bore hole for degree of gassiness purpose at s.p. top seam of 27 / 28 incline of hariajam colliery.

Proposal for 01 no nx size coring bore hole at roof and 01 no nx size coring bore hole in riv seam at mic unit jhanjra project colliery

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

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

Drilling of 1 no. 500mm dia bore hole with supply and fitting 500mm dia casing at magazine house near football ground from surface to rviii seam of bankola colliery

Drilling of 16 inch dia 01 no non coring pumping bore hole along plus 1l 21d from surface to rvi seam at mic jpc

Drilling of 1 no. 500mm dia bore hole with supply and fitting 500mm dia casing at magazine house near football ground from surface to rviii seam of bankola colliery (retender)