Hello,

Here are the few Colleges and Courses whuch may help you after BAMS ,

• Advance diploma in x-ray radiography and ultra sonography techniques (rx)
• Shailesh Institute of Medical Science & Research – Mumbai
• DMS (Diagnostic Medical Sonography)  by  Medall Chennai
• Advance Diploma in x-ray radiolography & ultrasonography techniques by Maharashtra institute of Medical Science and Technology
• post graduate diploma in radio diagnosis and imaging by BHU Varanasi

For more colleges which Has Ultrasonography course refer the link below,

https://medicine.careers360.com/colleges/list-of-ultrasonography-colleges-in-india

Good Luck!!!