Drilling of 400mm non-coring vertical bore hole near sand bunker till 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 02 (two) nos. of 100mm non-coring horizontal bore hole at 42l/16d in r-v (satgram) seam at j. k. nagar (r) 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

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

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 two nos of 400 mm dia ,160 mtr depth borehole along with 02 nos of pilot borehole of 150 mm dia, 160 mtr length from surface to ii seam bottom and fixing of m.s. casing pipe upto 10 mtr depth from surface at tetulmari colliery

Proposal for 03 nos 8 inch dia downward dewatering vertical bore hole from rvi seam to rv seam at mic unit jpc

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

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.