Hello Surabhi,

You have ranked 30000 that means you have scored 471-480 in NEET UG 2019. You are eligible for BDS, but it varies according to state, college and category plus cut off. Private colleges are open for this score but you have to pass their entrance tests. 

You might find more help if you click on this link which would allow you to predict college according to the above said conditions.

here's the link,

https://medicine.careers360.com/neet-college-predictor

BEST WISHES!