Radiography is a paramedical professional course, offered to individuals who will one day perform diagnostic tests in medical treatment with the use of radiation. In simple terms, radiography may be described as the science of taking images of the internal and hidden portions of the human body for the purpose of diagnosing diseases and ailments. This includes the use of ultrasound, X-ray, CT scan, MRI, etc.Radiographers are different from Radiologists. Radiologists are doctors who specialize in interpreting diagnostic images like X-rays, MRI and CT scans. They can also perform interventional procedures such as an angiogram or biopsy.iploma in Radiological Technology (DRT) is a postgraduate diploma course. This is a unique professional diploma course combining various aspects of radio diagnostic technology and Medical Imaging. This is a nationally accredited two-year diploma program. They will get training in the use of radiographic equipment, learn how to position patients to get the best images and learn to critique images.