Yes there are many colleges that offers you MD in radiology you need to qualify thier cutoff by performing good in NEET PG the name of such colleges are,

• Grant Medical College, Mumbai
• Mahatma Gandhi Institute of Medical Science
• Osmania Medical College, Hyderabad
• Government Medical College, Surat
• Kurnool Medical College, Kurnool

The duration of the course is 3 years and fee can vary between 25k - 8lakh depending upon college.

Thank you.

Hope it helps.

Cardiology is a super speciality field 

A person who wants to do a dm in cardiology has to first do MD in general medicine. 

He then has to give the NEET super speciality exam to get a seat in those colleges which have DM seats.

Aiims delhi

Jipmer

Cmc vellore

Kgmc lucknow have dm cardiology course