Hello Aspirant,

As you wanted to get seat in the medical pediatric with the pulmonary medicine as you got 23,308 rank  and as dnb means diplomatic national board and you can get seat in the top 20 medical colleges according to the previous year cutoff marks and ranks as the medical pediatric is a good course and you can prefer this course if you get in the top colleges as after the completion of the course you may get good placements with higher salaries also based on the experience and studies and you can know complete details about this colleges visits the below mentioned website and you can know that colleges according to the cutoff:

https://medicine.careers360.com/colleges/list-of-pulmonology-and-respiratory-medicine-colleges-in-india

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

Thank you!!