Construction of 20 nos. ventilation stoppings for new development 40d (main dip) district and some places in main intake and return airway etc. for proper ventilation in bottom seam (seam-0) including material cost at rehar ug mine

Construction of 46 nos pcc ventilation stoppings in 15ln and main dip panel of seam a at kurja ug mine.

Construction of 60 nos ventilation stoppings in seam vib at rajendra ug mine

Construction of 40 nos. rcc ventilation stoppings (rcc 0.15m thick) in ug at 40d (part a), 40d (part b) and 26d depillaring panels in seam vi(b) at rajendra ug mine.

Construction of 13(thirteen) nos. ventilation stoppings along 0(b) x-cut from 14 dip to 28 dip in borachak (r-viii) seam of chinakuri mine-iii

Construction of 68 nos rcc ventilation stoppings in working panels of vi bottom seam at damini ug mine of sohagpur area

Construction of 76 nos. bricks ventilation stoppings in different panel of g-iia seam, g-iii top seam and g-iii bottom seam at bagdewa ug mine.

Repairing of ventilation stoppings in vi bottom vi top and vii seam at bangwar ug mine of sohagpur area

Construction of 28 nos. rcc ventilation stoppings in vii seam for prop. depillaring panel-cm-6 and cm-7 at bangwar ug mine

Construction of 24 nos rcc ventilation stoppings in development widening and depillaring panels in vii seam at bangwar ug mine,of sohagpur area