Lowering and fitting of 11 nos of 6inch dia ms pipe and 22 nos of 6inch dia seamless pipe for mini bunker no 30 for the purpose of sand stowing in depillaring district n34 in pit no 8 in rviii nega seam, amkola unit under nimcha colliery

Cleaning of sand bunker and vertical borehole from surface to kenda r vi seam at north jambad unit of bahula colliery under kenda area ecl

Construction of 09 (nine) nos. isolation stopping (0.5m thick cement brick work) to isolate the proposed depillaring panel 6f in kenda (r-vi) seam of parasea colliery under kunustoria area

Renovation of one (01) no. vertical borehole in stowing bunker no. 2 (used for sand stowing) of 133m. depth and 150mm. dia from surface to kenda (r-vi) working at 25 dip/ 2dip level of parasea colliery under kunustoria area.

Drilling of 01 (one) no 40 m length 100 mm dia horizontal borehole from 24l 5d to 24l 7d at rviia seam of shyamsundarpur colliery.

Renovation of bunker no.3 in kenda (r-vi) seam of parasea colliery under kunustoria area.

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.

Cleaning and extraction of old damage pipe of existing vertical borehole no 16 from surface to dobrana rv seam 1west dip 11l and also lowering of new pipe including casing pipe in place of old damage pipe for dewatering no 6 pit wrokings of dobrana r

Construction of rcc protective roof at pit no. 2 and pit no. 3 in kenda (r-vi) seam of parasea colliery under kunustoria area

Lifting of existing old damaged pipes and lowering of new seamless pipes 150mm dia and 225m length in vertical stowing range of bunker no. 2 at jambad ug colliery