Hello Aspirant,

Dnb is nothing but diplomatic national board as this provides scholarships and you got 657 marks as you wanted to get seat in the dnv ortho and i think you have more chance to get seat in the dnb ortho in the top colleges as it is the medical courses and you nay get scholar ships also and you can get in the top hospitals for the medical sideas if you get in the top hospitals for the you would get good salaries afyer the completion of course if you study well and have good skills and experience on the subject and to know further details based on colleges of dnb ortho visit the below  mentioned website: www.google.com/amp/s/medicine.careers360.com/articles/dnb-cet/amp

And ALL THE BEST for your future and i think my suggestions and knowledge may be helpful to you.

Thank you!!