G4 S Corporate Services (India) Private Limited · G4 S Central Monitoring Services (India) Private Limited. · G4 S Security Systems (India) Private Limited · G4 S Secure Solutions (India) Private Limited · U67120 Dl1988 Ptc031060 · U67120 Dl1999 Ptc102278 · Bharti Hexacom Limited · Bharti Enterprises Limited · Bharti Enterprises Limited. · Telesonic Networks Limited · Bharti Airtel Services Limited · Bharti Telemedia Limited · Nxtra Data Limited · G4 S Facility Services (India) Private Limited