Supply and fitting of pin bush coupling with bolt and bush in pv 300 ventilation fan of khottadih colliery

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

Construction of side wall along (-) 1l/shaft bott-0 dip, travelling route in sripur (r-vi) seam of methani colliery

Construction of 50 nos. bricks ventilation stoppings in g-iii bottom seam at bagdewa ug mine, korba area.

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.

Cleaning along 19l belt from 7wd to 19wd in rvii a seam at shyamsundarpur colliery.

Cross stitching at junction of depillaring panel-23 in kenda seam of jambad ug colliery

Cleaning of debris mixed with coal at r-vii bonbahal seam of porascole west colliery

Operation and maintenance of hvac system (heating, ventilation and air conditioning system) - complete system

Operation and maintenance of hvac system (heating, ventilation and air conditioning system) - complete system