Tender For nctps i se m ii circle echs dn renovation of the existing defective airventilationsystem by modification renewal of worn out parts testing and commissioning of airventilationsystem for lcss 3 and 5 in echs area
Tender For providing of operation and maintenance of hvac system (heating, ventilation and air conditioning system) - repair and maintenance of ac plant ( both low side and high side) of old dtb for preparedness of haj operation 2026 at nscbi airport kolkata