Providing EI & Fans, VRF AC, PAC, UPS, IBMS, Fire & Security Systems, DG Set, Operation, CMC and misc works to DR- NOC & Offices of BBNL CACT bldg, Bengaluru (SH: Repairs to 1x80 kVA Modular UPS at risk and cost of M/s Global Power Source (I) Pvt L