Drilling of 02 nos. bore holes of dia 12 (60 mtr each) and lowering of 8 dia casing pipe for depth of 62 mtr (each) in bartarai colliery, amadnad ug sub area.

Drilling 02 (two) nos. of upward bore holes from r-viii (top) seam to r-ix seam of porascole east colliery

Drivage in stone roof along minus 2 level from 39 dip to 42 dip of rvi seam at mic of jhanjra project 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 6 nos dewatering underground bore hole 100mm dia in coal bearing strata by burnside apparatus from rvii a seam to caved panel in r vii seam at jhanjra project 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 02 nos. bore holes of dia 12 inch (60 mtr each) and lowering of 8 inch dia casing pipe for depth of 62 mtr (each) in bartarai colliery, amadnad ug sub area.

Pipe lowering of two (02) number bore hole through bore hole from surface to r-iv seam at 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

Cleaning of jammed bore hole from surface to rviii bottom seam and lowering 150mm dia stowing pipe upto 140m after cutting of worn out pipe from bore hole located at nilkantha temple sand bunker of khandra colliery