can i become a sonography doctor without any entrance exam??

No, an associate or bachelor's degree is typically required to pursue employment as a diagnostic medical sonographer. You also have the option to graduate with a degree in a related field, pursue a certificate program in diagnostic medical sonography, and then receive on-the-job training. This option is usually reserved for professionals already working in the field, such as nurses, respiratory therapists, and radiologic technologists. Most degree programs allow students to choose an area of specialization, such as abdominal sonography, obstetrics/gynecology, vascular sonography, and echocardiography. Supervised clinical experience is an essential component of the curriculum for all degree programs.

To be eligible for Sonography career, you should opt for Sonography courses such as B. Sc. in Sonography, Diploma in Sonography and Certificate Course in Sonography Diagnostic.

Skills required:-

The sonographers have to work in various areas such as diagnostic imaging department, operation theatre, intensive care unit with the doctors and nurses. The sonographer should have some additional skills such as patience, dedication to work, calm temperament, ability to infuse confidence in patients, ability to learn new skills and techniques, accurate judgment and self-confidence and good communication skill.