Drilling of 2 nos. nx size non-coring pilot bore holes and reaming of (1) one no. of bore 14inch from surface to kalimati bottom seam up to 145.00 meter depth for installation of submersible pump at kapasara ocp.

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

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 8 nos of non coring nx size bore holes at the north east side of the mine at rajpura colliery.

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 03 nos. nx size non-coring borehole from surface to kajora (r-ix) seam and 2 nos. nx size non-coring borehole from surface to jambad (r-viii) seam of porascole east colliery

Drilling of 03 nos. nx size non-coring borehole from surface to kajora (r-ix) seam and 2 nos. nx size non-coring borehole from surface to jambad (r-viii) seam of porascole east 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 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 2 nos. nx size pilot bore hole from surface to below kalimati coal seam and reaming of 1 one no. of bore hole 10inch dia for installation of submersible pump to provide the drinking water of sialkanali villagers under south gram panchayat