Drilling of 12 nos of nx size upward borehole from rviia to rvii seam for proving upper seam free from water at shyamsundar pur colliery

Drilling of 3 nos. of nx size incline upward borehole from rviia to r vil&#x0d seam for proving upper seam free from water at shyamsundarpur colliery.&#x0d

Drilling of three (03) nos. nx size dia (ug) borehole in r-vi (bogra) seam dev. dist. 23sl/2wd at amritnagar colliery under kunustoria area

Drilling of 2 nos. nx size non coring upward borehole from rviic seam (at 9a development panel) to rviia seam of cm project under nakrakonda kumardihi b colliery

Drilling of upward borehole for longwall panel 13 from rvi seam to rviia seam at mic unit of jhanjra project colliery

Drilling of three (03) nos. 60m long non-coring upward borehole from cm caving panel in r-vi seam of khottadih colliery, pandaveswar area.

Drilling of 03(three) nos nx size horizontal boreholes in rviia seam of shyamsundarpur colliery

Drilling of 06 nos nx size upward vertical borehole in proposed depillaring panel 28ls, 24ls from seam c to seam a at kurja sheetaldhara ug mine of hasdeo area for six month time period

Drilling of 02 (two) nos. of 4 inch dia 60m length each upward borehole from dobrana (r-v) seam to kenda (r-vi) seam to prove thickness of parting between two seams for getting permission of proposed panels d-15 and d-16 at belbaid colliery under kun