tender for rectification of various electrical equipment onboard icgs c-161 and c-445 - mf/hf (make- i-com, model-ic-m802) unit display is flickering and appears blurry. the characters are not visible clearly, affecting normal operation. suspect display board/pcb defective. display board to be inspected and repaired/renewed as per sample. post rectification, system to be tested & proved for satisfactory operation 2 in nos sensor of flood alarm system not working properly. during routine testing, alarm buzzar & visual indication not activating. suspect sensor malfunctioning or cable from sensor to control unit defective. di/dr to be undertaken and cable to be renewed emergency light not working during main power supply failure. suspect automatic changeover/control system failure. di to be carried out and repaired/renewed the defective unit. post defect rectification system to be proved for satisfactory performance