Construction of 10 nos of ventilation stopping at development district of dishergarh r-iv seam of ningha colliery

Construction of 6 nos rcc sectionalisation stopping and repairing of 116 nos. old ventilation stopping and 35 nos. old sectionalization stopping by use of fly ash brick for 10b seam at west jhagrakhand colliery.

Making of 03 (three) nos. of ventilation stopping in proposed panel-o in 7 and 8 incline of dhori (k) colliery ,dhori area.

Construction of 10 (ten) nos. ventilation stopping for 53r/30l dev. dist. in kenda (r-vi) seam of bansra colliery under kunustoria area

Compartment door (two types)

Design and construction of elevated viaduct twin tunnel by shield tbm cut and cover tunnel mid ventilation cum emergency egress shaft crosspassages ramps two underground stations bengali chauraha and palasia chauraha including architectural finishing

Design, supply, installation, testing and commissioning of ventilation system at 500 kld underground stp at veermata jijabai bhosle botanical udyan and zoo, byculla.

Comprehensive annual maintenance contract of 04 nos. of pit less road weigh bridges at bhanora west block colliery, ssi colliery, satgram project and nimcha colliery under satgram sripur area.

Construction of 14 numbers of isolation stopping in k-12 panel (sub panel k-12a and k-12b) in r-iv seam at khottadih colliery, pandaveswar area.

Preventive and breakdown maintenance of ht and lt breakers, transformers, underground cables in factory for two years