WIPRO HF ADVANTAGE 24 HOURS EMERGENCY XRAY TRAUMA ACCIDENT FRACTURE ON APPOINTMENT ULTRASOUND ABDOMEN AND PELVIS COLOUR DOPPLER STUDIES CAROTID AND VERTEBRAL STUDIES / UPPER LIMB ARTERIAL/VENOUS LOWER LIMB ARTERIAL/VENOUS /HEPATIC/RENAL/ SCORTUM PENILE UTERINE ARTERY OBSTERTRIC SPECIAL LABORATORY QUALITY — EXTERNAL QUALITY CONTROL AFFILIATED TO CMC VELLORE