Renovation of 01 (one) no old vertical bore hole 245 mtr depth 300 mm dia from surface to kenda (r-vi) seam of bansra colliery under kunustoria area.

First time repairing of the following 23 nos stopping of cm panel 10 and 11 and 22 and trunk panel of rvi seam at mic unit under jhanjra project 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 1 vertical bore hole from surface to 1 dip in between 2l to 3l in dishergarh r-iv seam of ningha colliery

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

Cleaning of muck debris slurry along minus 1dip belt n in enclosed plan in r vi seam at mic unit of jhanjra project colliery

Drift drivage along 15r and 16r from minus 2 level for travelling and escape route of r v seam from r vi seam at mic unit of jhanjra proejct colliery

Drivage of roof for heightening along 19l from 23dxdip to 23exdip for transportation of machineries for long wall panel 13 in rvi seam at mic unit of jhanjra project colliery